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Term:
Parent Terms Term With Siblings Child Terms
1st arch mandibular ectoderm 
1st arch mandibular endoderm +  
1st arch maxillary ectoderm +  
1st arch maxillary endoderm 
abducens nerve 
accessory foramen 
acetabular notch 
acetabular part of hip bone +  
acetabular rim +  
acinus of lacrimal gland 
acinus of lactiferous gland +  
acinus of olfactory gland 
acinus of sebaceous gland +  
acropodial skeleton +  
actinotrichium +  
adductor blade +  
adductor crest 
adductor mandibulae complex 
adenohypophysis +  
adrenal cortex +  
adrenal gland capsule 
adrenal gland cortex zone +  
adrenal medulla +  
adrenal tissue +  
adrenal/interrenal gland +  
adult mammalian kidney 
adventitia of epididymis 
adventitia of seminal vesicle 
adventitia of ureter 
afterfeather 
agger limitans anterior of ilium 
agger limitans anterior of ischium 
ala of nose 
alar plate midbrain 
alisphenoid bone 
amnion +  
ampulla of fallopian tube 
ampullary nerve 
ampullary organ 
anal canal +  
anal column 
anterior axial hypoblast +  
anterior dentation of pectoral fin spine 
anterior distal condyle of femur 
anterior distal serration of pectoral fin spine 
anterior ectodermal midgut 
anterior humeral ridge 
anterior lamina recurvata 
anterior lateral mesoderm 
anterior lateral plate mesoderm +  
anterior maxillary process 
anterior nasal wall 
anterior neural keel +  
anterior neural rod +  
anterior neural tube +  
anterior presumptive neural plate 
anterior ramus of cleithrum 
anterior segment of eyeball +  
anterior subdivision of masseter 
anterior uvea +  
anterolateral process of frontoparietal 
anteroventral process of cleithrum 
antitrochanter 
antotic pillar 
anus 
aorta collagen fibril 
aortic body 
apex of cochlea 
apex of urinary bladder 
apical region of heart ventricle +  
apophysis distalis of tibiale fibulare 
apophysis distalis of tibiofibula 
apophysis proximalis 
appendix epididymis 
appendix testis 
aqueous drainage system +  
aqueous vein 
areola +  
areolar tubercle 
arrector pili muscle of vibrissa 
arthropod optic lobe 
ascending process of the astragalus 
ascending process of the parasphenoid 
associated mesenchyme of midgut 
astragalus head 
astragalus-calcaneum unit +  
atrial foramen intermedium 
atrioventricular region +  
atrium auricular region +  
atrium myocardial trabecula 
autopodial skeleton +  
axial hypoblast +  
axochord 
basal cell layer of urothelium 
basal zone of heart 
base of cochlear canal 
base of glans penis 
basilar membrane of cochlea +  
basilar papilla 
basipterygium element +  
basipterygoid process of parasphenoid 
basis modioli 
basisphenoid bone 
basivertebral vein 
bicipital crest 
bicipital tuberosity 
blood brain barrier +  
blood nerve barrier +  
blood vessel +  
blood vessel elastic tissue +  
blood vessel layer +  
blood-air barrier 
blood-cerebrospinal fluid barrier 
blood-inner ear barrier 
body of ilium +  
bone marrow +  
bone of free limb or fin +  
bony labyrinth +  
border between sublaminar layers +  
brain +  
brain blood vessel +  
brain ventricle/choroid plexus +  
branch of ilio-marsupialis muscle 
branchiomeric muscle +  
brevis shelf +  
broad ligament of uterus +  
bulb of aorta +  
bulb of hair follicle +  
bulb of penis 
bulbus arteriosus inner layer 
bulbus arteriosus middle layer 
bulbus arteriosus outer layer 
bursal follicle 
bursal plica +  
calcaneal body 
calcaneal tuber 
calcareous tooth +  
calcified structure of brain +  
camera-type eye +  
canal of Nuck 
canal of Schlemm 
canthus +  
capitulum of humerus 
capitulum of radio-ulna 
capitulum of radius 
capitulum ulnae 
capsular process 
capsule of lens 
caput epididymis 
caput ossis cruris 
carapacial ridge ectoderm 
carapacial ridge mesenchyme 
cardiac chamber +  
cardiac jelly +  
cardiac mesenchyme +  
cardiac neural crest +  
cardiac septum +  
cardiac skeleton 
cardiac valve +  
cardiac valve leaflet +  
cardiogenic splanchnic mesoderm +  
cardiopharyngeal field +  
carotid body 
cartilage of external acoustic meatus 
cartilaginous external acoustic tube 
cauda epididymis 
caudal mesencephalo-cerebellar tract 
celiac trunk 
central canal of spinal cord +  
central figure of scute 
central nervous system +  
central nervous system cell part cluster +  
central retina 
cephalopod optic lobe 
cerebellar crest 
cerebellar plate +  
cerebral hemisphere +  
cerebral subcortex +  
chamber of eyeball +  
chitin-based cuticle +  
chordo neural hinge 
chorioallantoic membrane 
chorion membrane +  
chorionic plate +  
chorionic villous tree 
chorioretinal region +  
choroid plexus stroma +  
ciliary body +  
ciliary marginal zone 
ciliary processes 
ciliary stroma 
circuit part of central nervous system +  
circulatory system dorsal vessel +  
cleithrum head 
climbing fiber 
clitoris +  
cnemial crest 
cochlea +  
cochlear basement membrane 
cochlear canal +  
cochlear duct of membranous labyrinth +  
cochlear labyrinth +  
cochlear modiolus +  
cochlear nerve 
collagenous dermal stroma 
collum antibrachii 
collum ilei 
columella nasi 
columnar area 
common crus of semicircular duct 
condyle of femur +  
condyle of humerus +  
condyle of talus +  
condyle of tibia +  
conjunctiva +  
conjunctival papilla 
conjunctival sac +  
coracoid process of calcaneus 
corneo-scleral junction 
corona of glans penis 
coronary vessel +  
coronoid process of ulna 
corpora quadrigemina +  
corpus cavernosum clitoridis +  
corpus cavernosum penis +  
corpus epididymis 
corpus luteum 
corpus spongiosum of penis 
corpuscles of Stannius 
cortex of hair 
cortex of humerus 
cotyloid notch 
courtship gland 
cranial muscle +  
cranial neural crest +  
crista ampullaris +  
crista dorsalis humeri 
crista hypertrophica ischium 
crista intermedia 
crista ischii 
crista lateralis humeri 
crista medialis humeri 
crista radii 
crista subnasalis 
crista supraorbitalis 
crista terminalis 
crista tibiofibularis 
crus commune +  
crus of clitoris 
crus of penis 
ctenius 
cultriform process 
cumulus oophorus 
cusp of cardiac valve +  
cusp of tooth +  
cutaneous elastic tissue +  
cutaneous microfibril 
cuticle of hair 
dartos muscle of labia majora 
dartos muscle of scrotum 
deep part of masseter muscle 
deep part of temporalis 
deltoid +  
deltoid pre-muscle mass +  
deltoid process 
deltopectoral crest 
dentate gyrus subgranular zone 
dermal condensation of feather follicle +  
dermal papilla +  
dermal pulp of feather shaft 
dermal scale focus 
dermal skeletal element +  
dermal superficial region 
dermis +  
dermis of feather follicle 
descending thoracic aorta 
descending trunk of arch of aorta +  
diaphragma sellae 
diaphysis of femur +  
diaphysis of fibula 
diaphysis of metacarpal bone 
diaphysis of metatarsal bone 
diaphysis of radius 
diaphysis of tibia 
diaphysis of ulna +  
diencephalic part of interventricular foramen 
dilated medial process of metacarpal IV 
distal cartilage of external anterior process of basipterygium 
distal cartilage of internal anterior process of basipterygium 
distal cartilage of middle anterior process of basipterygium 
distal cartilage of posterior process of basipterygium 
distal keel of metacarpal III 
distal limb integumentary appendage +  
distal ureter +  
dorsal axial hypoblast 
dorsal fin actinotrichium 
dorsal iliac process 
dorsal iliac ridge 
dorsal iris 
dorsal lateral plate region 
dorsal nerve of clitoris 
dorsal nerve of penis 
dorsal part of optic cup 
dorsal part of pharyngeal pouch 1 
dorsal part of pharyngeal pouch 2 +  
dorsal part of pharyngeal pouch 3 +  
dorsal part of pharyngeal pouch 4 
dorsal part of pharyngeal pouch 5 
dorsal patch of Leydig's organ 
dorsal ridge 
dorsal vessel heart 
dorsal zone of medial entorhinal cortex 
dorso-rostral cluster 
dorsolateral septum 
dorsum of nose 
duct of apocrine sweat gland 
duct of bulbourethral gland 
duct of eccrine sweat gland 
duct of epididymis 
duct of lesser vestibular gland 
duct of major vestibular gland 
duct of olfactory gland 
duct of sebaceous gland +  
duct of seminal vesicle 
ductus reuniens +  
dura mater lymph vessel 
ear vesicle +  
early pharyngeal endoderm +  
ectepicondylar flange 
ectepicondylar foramen +  
ecto-epithelium +  
ectocondylar tubercle 
ectodermal part of digestive tract +  
egg cylinder 
Eimer's organ 
elastica externa of notochord 
element Y of fore mesopodium 
embryonic cloacal epithelium +  
embryonic lymph sac +  
eminentia arcuata 
enamel knot 
endocardial ring +  
endolymphatic duct +  
endolymphatic system 
endomysium +  
entepicondylar foramen 
entire pharyngeal arch associated mesenchyme +  
entire pharyngeal arch endoderm +  
entorhinal cortex +  
enveloping layer of ectoderm +  
epaxial musculature +  
epibranchial ganglion +  
epicardial fat 
epicardium +  
epicondyle of humerus +  
epidermal egg tooth 
epidermal intermediate stratum 
epidermal placode 
epidermal ridge of digit 
epidermal scale +  
epidermal superficial stratum 
epidermal-dermal junction +  
epidermis of feather follicle +  
epidermis suprabasal layer 
epididymal fat pad 
epididymis +  
epileon 
epimysium 
epioccipital bridge 
epioccipital posterior process 
epiotic +  
epiphysial cluster 
epiphysis of femur +  
epiphysis of fibula +  
epiphysis of humerus +  
epiphysis of metacarpal bone +  
epiphysis of metatarsal bone +  
epiphysis of phalanx +  
epiphysis of radius +  
epiphysis of tibia +  
epiphysis of ulna +  
epipubis 
epithelium of footplate +  
epithelium of handplate +  
epithelium of otic placode +  
epoophoron 
esophagus smooth muscle circular layer 
esophagus smooth muscle longitudinal layer 
excurrent foramen of ectepicondylar foramen 
external acoustic meatus +  
external acoustic meatus osseus part 
external anterior process of basipterygium 
external cellular layer 
external ectoderm +  
external naris +  
external nose +  
external yolk syncytial layer 
extra-ocular muscle +  
extraembryonic membrane mesenchyme +  
extraembryonic mesoderm +  
extraglomerular mesangium 
extremitas anterior 
eye muscle +  
eye primordium +  
eye trabecular meshwork +  
eyeball of camera-type eye +  
eyelid +  
eyelid blood vessel 
eyelid gland +  
eyelid subcutaneous connective tissue 
falciform fat 
fallopian tube +  
falx cerebelli 
falx cerebri 
fascia of Camper 
fasciola cinerea 
fasciolar gyrus 
feather +  
feather barb +  
feather barbicel 
feather barbule +  
feather bud, dermal component +  
feather calamus 
feather shaft +  
feather vane 
femoral ridge 
fibrous ring of heart +  
fibular crest 
filum terminale +  
filum terminale externum 
filum terminale internum 
fimbria of fallopian tube 
fin fold pectoral fin bud +  
fin hook +  
flexural organ 
floor plate +  
The specialized glial structure (non-neuronal cells) situated at the ventral midline of the embryonic neural tube; this structure spans the anteroposterior axis from the midbrain to the tail regions, separating the left and right basal plates of the developing neural tube, and serves as an organizer to ventralize tissues in the embryo as well as to guide neuronal positioning and differentiation along the dorsoventral axis of the neural tube.
floor plate of neural tube +  
foramen cecum of frontal bone 
foramen nutritium exterius 
foramen perforans carpi 
foramen perforans tarsi 
foramen primum 
foramen secundum 
forebrain midbrain boundary neural keel +  
forebrain midbrain boundary neural plate +  
forebrain midbrain boundary neural rod +  
forebrain midbrain boundary neural tube 
forebrain neural keel +  
forebrain neural rod +  
forebrain neural tube 
forebrain-midbrain boundary 
foregut duodenum mesentery 
fossula tuberis superioris 
fourth ventricle aperture +  
fovea capitis of femur 
fovea capitis of humerus 
fovea centralis +  
foveola of retina 
frontal nerve (branch of ophthalmic) 
frontonasal process epithelium +  
fundus of urinary bladder +  
future central tendon +  
future falx cerebri +  
future hindbrain meninx +  
ganglion of central nervous system +  
gastro-splenic ligament 
gastrophrenic ligament 
gelatinous layer of statoconial membrane 
genioglossus muscle 
genital swelling +  
germ layer / neural crest +  
germinal neuroepithelium +  
gigantocellular part of magnocellular preoptic nucleus 
gland of anal canal 
gland of diencephalon +  
gland of nasal mucosa +  
glans +  
glomerular basement membrane +  
glomerular mesangium +  
glomerular tuft +  
granular layer corpus cerebelli 
granular layer valvula cerebelli 
granulosa cell layer +  
gubernacular bulb +  
gubernacular bulb, extra-abdominal part 
gubernacular bulb, intra-abdominal part 
gubernacular cord 
gubernaculum (male or female) +  
Guérin's valve 
gyrus +  
haemolymphatic fluid-testis barrier +  
hair canal 
hair matrix 
hair medulla 
hair root 
hair root sheath +  
hair root sheath matrix 
hair shaft +  
Harderian gland +  
Harderian gland duct 
head fold of embryonic disc 
head mesenchyme +  
head mesenchyme from mesoderm +  
head of femur +  
head of radius 
head somite +  
head taste bud 
heart +  
heart elastic tissue 
heart layer +  
heart tube +  
helicotrema 
hematopoietic system +  
hematopoietic tissue +  
hemopoietic organ +  
Henle's fiber layer 
Hensen stripe 
hepatic diverticulum +  
hepatoduodenal ligament 
hepatogastric ligament 
hindbrain neural keel +  
hindbrain neural rod +  
hindbrain neural tube 
hindbrain venous system 
hindbrain-spinal cord boundary 
hoof lamina 
humeral diverticulum of clavicular air sac 
humerus diaphysis +  
hyaloid canal 
hyoid articular area 
hyoid muscle +  
hyoid pre-muscle mass +  
hypaxial musculature +  
hypocleideum 
hypodermis +  
hypodermis skeletal muscle layer +  
iliac blade +  
iliac crest +  
iliac endochondral element +  
iliac fossa 
iliac neck 
iliac peduncle 
iliac peduncle of the pubis 
iliac spine +  
ilial protuberance 
ilial ridge 
ilial shaft +  
ilio-marsupialis muscle +  
ilioischiadic foramen 
immature otolith +  
incisura terminalis 
incurrent foramen of ectepicondylar foramen 
individual digit of digitopodial skeleton +  
inferior branch of oculomotor nerve 
inferior horn of the lateral ventricle 
inferior parietal cortex 
inferior rectal artery 
inflow tract +  
infundibular organ 
infundibular recess of 3rd ventricle +  
infundibulum of hair follicle 
inner ear foramen +  
inner medulla vasa recta ascending limb 
inner medulla vasa recta descending limb 
insect abdominal histoblast anlage +  
insect analia +  
insect antennal disc +  
insect anterior ectoderm derivative +  
insect arista +  
insect Bolwig organ 
insect cephalic furrow 
insect clypeo-labral disc +  
insect clypeus 
insect cuticular specialization +  
insect dorsal ectoderm derivative +  
insect dorsal mesothorax +  
insect dorsal thoracic disc +  
insect embryonic/larval lymph gland 
insect eye-antennal disc +  
insect genital disc +  
insect labial disc +  
insect mesoderm anlage +  
insect mesothoracic tergum 
insect presumptive arista +  
insect presumptive prothoracic metatarsus +  
insect proboscis 
insect prothoracic leg +  
insect prothoracic tarsal segment +  
insect protocerebrum +  
insect stomatogastric nervous system 
insect trunk mesoderm derivative +  
insect ventral ectoderm derivative +  
insect ventral furrow 
insect ventral thoracic disc +  
interilial region 
intermediate cell mass of mesoderm 
intermediate mesenchyme 
intermedium (fore) 
internal acoustic meatus 
internal anterior process of basipterygium 
internal cellular layer 
internal ear +  
internal spermatic fascia 
internal surface of frontal bone 
internal trochanter 
internal urethral orifice 
internal yolk syncytial layer 
intertarsal sesamoid +  
interventricular foramen intermedium 
interventricular foramen of CNS +  
interventricular foramen of heart 
intervertebral vein 
intra-ocular muscle +  
intramural ureter +  
intrinsic muscle of tongue +  
intumescentia bilateralis inferior 
intumescentia bilateralis superior 
iris +  
iris stroma 
ischial cartilage 
ischial endochondral element +  
ischial foot 
ischial peduncle 
ischial ramus +  
ischial spine 
ischiopubic ramus 
isthmus of cingulate gyrus 
isthmus of fallopian tube 
jugular body 
jugular bulb +  
juxtaductal region of aortic arch 
kidney field +  
Kimura membrane 
labium majora +  
labium minora 
labyrinthine artery 
lacrimal apparatus +  
lacrimal canaliculus +  
lacrimal drainage system +  
lacrimal gland +  
lacrimal lake 
lacrimal nerve 
lacrimal papilla 
lacrimal punctum 
lacrimal sac +  
lamina densa of glomerular basement membrane 
lamina inferior 
lamina nariochoanalis 
lamina of spiral limbus 
lamina precerebralis 
lamina propria of ureter 
lamina propria of urethra +  
lamina propria of urinary bladder +  
lamina propria of vagina 
lamina rara externa 
lamina rara interna 
lamina superior 
lamina terminalis of ischium 
lamina terminalis of neural tube +  
large intestine smooth muscle circular layer +  
large intestine smooth muscle longitudinal layer +  
late distal segment 
lateral eminence of fourth ventricle 
lateral eminence of hypophysis 
lateral entorhinal cortex 
lateral epicondyle of femur 
lateral floor plate 
lateral line +  
lateral line ganglion +  
lateral line nerve +  
lateral lingual swelling epithelium 
lateral malleolus of fibula 
lateral plate mesoderm +  
lateral process of basipterygium 
lateral tuber of ulna 
lateral tubercle of astragalus 
lateral ventricle subependymal layer 
lateral wall neural rod 
lateral zone of hypothalamus +  
latissimus dorsi muscle 
latissimus dorsi pre-muscle mass +  
latissimus dorsi process 
layer of dura mater +  
layer of hippocampal field +  
layer of retina +  
left renal pelvis 
lens cortex 
lens fiber 
lens nucleus 
lens of camera-type eye +  
lens vesicle +  
lepidotrichial segment +  
lesser tubercle of humerus 
levator scapulae muscle 
levator scapulae pre-muscle mass +  
lieno-renal ligament 
limb endochondral element +  
limbic system +  
limiting layer of elasmoid scale 
liver primordium +  
lobe of cerebral hemisphere +  
lobule of mammary gland +  
long ciliary nerve 
lower part of vagina 
lunule of nail 
macula +  
macula lutea +  
macula lutea proper 
major vestibular gland +  
male preputial gland 
mammary gland +  
mammary gland alveolus 
mammary gland connective tissue +  
mammary gland luminal epithelium 
mammary gland smooth muscle 
mammary lobe 
mammillary body +  
mandibular arch neural crest 
manual digit mesenchyme +  
manus connective tissue +  
margin of eyelid 
marginal zone of spleen 
margo anterior of cleithrum 
margo posterior of cleithrum 
margo scapularis 
margo vertebralis 
maxillary process ectoderm +  
maxillary process mesenchyme +  
maxillary process mesenchyme from head mesenchyme 
medial blade of ilium 
medial entorhinal cortex +  
medial epicondyle of femur 
medial floor plate 
medial pelvic process 
medial zone of hypothalamus +  
mediale 
median lingual swelling epithelium 
median pars intermedia 
median prenasal process 
medulla oblongata +  
membranous labyrinth +  
membranous urethra of male or female +  
meninx +  
mesangium +  
mesenchyme from somatopleure +  
mesenchyme from splanchnopleure +  
mesenchyme of mammary gland +  
mesenchyme of nasal septum 
mesenchyme of sublingual gland primordium 
mesenchyme of submandibular gland primordium 
mesenchyme of umbilical cord +  
mesenteric fat pad +  
mesenteric lymph node +  
mesenteric lymphatic vessel 
mesial pelvic ridge 
meso-epithelium +  
mesoderm blood island 
mesonephric capsule 
mesonephric collecting duct 
mesonephric early proximal tubule 
mesonephric juxtaglomerular apparatus +  
mesonephric late distal segment 
mesonephric late proximal tubule 
mesonephric mesenchyme +  
mesonephric nephron +  
mesonephric nephron progenitor 
mesonephros +  
mesopodial skeleton +  
metanephric capsule 
metanephric collecting duct +  
metanephric cortex mesenchyme +  
metanephric cortical collecting duct 
metanephric descending thin limb +  
metanephric juxtaglomerular apparatus +  
metanephric long descending thin limb bend 
metanephric mesenchyme +  
metanephric nephron +  
metanephric prebend segment 
metanephric pyramid 
metanephric renal pelvis 
metanephros +  
metanephros cortex +  
metaphysis of femur +  
metaphysis of fibula 
metaphysis of humerus 
metaphysis of radius 
metaphysis of tibia 
metapodial skeleton +  
metoptic pillar 
midbrain hindbrain boundary neural keel +  
midbrain hindbrain boundary neural rod +  
midbrain hindbrain boundary neural tube 
midbrain neural keel +  
midbrain neural rod 
midbrain neural tube +  
midbrain-hindbrain boundary +  
middle anterior process of basipterygium 
midgut duodenum mesentery +  
mixed ectoderm/mesoderm/endoderm-derived structure 
mixed endoderm/mesoderm-derived structure +  
moderator band 
mole 
molecular layer corpus cerebelli +  
molecular layer valvula cerebelli +  
mossy fiber 
mucosa of anal canal 
mucosa of fallopian tube +  
mucosa of lacrimal canaliculus 
mucosa of nasal septum 
mucosa of nasolacrimal duct +  
mucosa of seminal vesicle 
mucosa of ureter +  
mucosa of urethra +  
mucosa of urinary bladder +  
mucosa of vagina +  
Mullerian duct +  
muscle layer of anal canal 
muscle layer of epididymis 
muscle layer of oviduct 
muscle layer of spongiose part of urethra 
muscle layer of urinary bladder +  
muscle of digastric group +  
muscle rectus abdominis superficialis 
muscle tissue +  
muscular coat of seminal vesicle 
muscular coat of ureter +  
muscular layer of prostatic urethra 
muscular layer of vagina 
musculus rectus abdominis profundus 
nail matrix 
nail plate 
nasal bridge 
nasal cartilage +  
nasal cavity mucosa +  
nasal muscle +  
nasal septum +  
nasal skeleton +  
nasal tentacle 
nasociliary nerve 
nasolabial region 
nasolacrimal duct +  
nasolacrimal groove +  
navicular fossa of spongiose part of urethra +  
neck of femur 
neck of fibula 
neck of humerus 
neck of radius 
neck of talus 
neck of tooth 
neck of urinary bladder +  
nephrostome 
neural crest +  
neural crest-derived structure +  
neural fold +  
neural fold hinge point 
neural lobe of neurohypophysis 
neural plate +  
neural tube +  
neural tube basal plate +  
neural tube derived brain 
neural tube lateral wall +  
neural tube lumen +  
neural tube mantle layer +  
neural tube marginal layer +  
neural tube ventricular layer +  
neuraxis flexure +  
neurectoderm +  
neurogenic field +  
neuromast +  
neuromere +  
neuropore +  
nipple +  
Nobelian rod 
non-neural ectoderm +  
noninvoluting endocytic marginal cell cluster 
nose +  
nose anterior margin 
nose vertex 
notochord +  
notochord posterior region 
notochordal canal 
notochordal plate +  
nucleus pulposus 
nuptial pad 
obturator foramen 
obturator process of ischium 
ocular fundus 
ocular surface region +  
oculomotor nerve 
olecranon 
olecranon fossa 
olfactory apparatus chamber +  
olfactory nerve 
olivary body +  
omentum +  
opercular part of inferior frontal gyrus 
ophthalmic nerve +  
opisthotic 
optic cup +  
optic disc 
optic eminence mesenchyme 
optic foramen +  
optic vesicle +  
ora serrata of retina 
orbital part of frontal bone 
orbitosphenoid +  
orbitosphenoid septum 
organizer inducing center 
oronasal membrane 
os clitoris 
os penis 
osseus cochlea +  
osseus cochlear canal 
osseus labyrinth vestibule +  
osseus semicircular canal 
osseus spiral lamina 
otic capsule +  
otic vesicle protrusion +  
otolith +  
otolith organ +  
otolithic part of statoconial membrane +  
outer medulla vasa recta ascending limb 
outer medulla vasa recta descending limb 
outer root sheath companion layer 
outflow tract +  
outflow tract pericardium 
ovarian follicle +  
ovarian ligament 
Pacinian corpuscle 
paired fin radial element +  
paired fin radial skeleton +  
paired limb/fin field +  
paired limb/fin skeleton +  
palpebral fissure 
pancreatic epithelial bud +  
papillary layer of dermis +  
papillary muscle of heart +  
parafoveal part of retina 
parapineal organ 
parasagittal crest 
parasphenoid flange 
paraxial mesoderm +  
parenchyma of central nervous system +  
parenchyma of mammary gland 
parenchyma of spleen +  
parietal organ 
parietal serous membrane +  
pars amphibiorum 
pars basilaris 
pars cylindriformis ilei 
pars inferior of labyrinth 
pars intermedia of adenohypophysis 
pars plana of ciliary body 
pars plicata of ciliary body 
pars reflexa of masseter 
pars tuberalis of adenohypophysis 
part of afferent arteriole forming the juxtaglomerular complex 
patella cartilage element 
patella pre-cartilage condensation +  
pearly penile papule 
pectinate line 
pectinate muscle 
pectoral appendage bud ectoderm +  
pectoral appendage cartilage tissue +  
pectoral fin actinotrichium 
pectoral fin fold 
pectoral fin hook 
pectoral muscle +  
pectoral pre-muscle mass +  
pectoral process of humerus 
pedal digit mesenchyme +  
pelvic appendage bud ectoderm +  
pelvic appendage cartilage tissue +  
pelvic fin actinotrichium 
pelvic fin hook 
pelvic girdle bone/zone +  
pelvic girdle skeleton +  
pelvic intercleithral cartilage 
penile spine 
penis +  
pericardio-peritoneal canal mesothelium +  
perichordal ring 
perichordal tissue +  
perifoveal part of retina 
perilymphatic channel +  
perimysium 
periocular mesenchyme 
peripheral region of retina 
periventricular zone of hypothalamus +  
pes connective tissue +  
pharyngeal arch mesenchyme from head mesenchyme +  
pharyngeal arch mesenchyme from neural crest +  
pharyngeal ectoderm +  
pharyngeal pouch +  
pillar of the semicircular canal +  
pineal foramen 
piriform aperture 
pit organ 
placenta +  
placenta junctional zone 
placenta labyrinth +  
placenta metrial gland 
placental basal plate +  
placental disc +  
placental labyrinth villous 
placental membrane +  
placental septum 
placental villous stroma 
placentome of cotyledonary placenta +  
placodal ectoderm 
planum terminale 
planum triangulare 
pleuroperitoneal canal 
pleuroperitoneal membrane 
plica semilunaris of conjunctiva 
podocyte slit diaphragm 
podocyte slit junction 
podotheca 
pole of lens +  
pontine tegmentum +  
popliteal area 
post-embryonic notochord +  
postacetabular buttress 
postacetabular zone 
postaxial process of the femur 
postaxial process of the fibula 
postaxial process of the ulnare 
postbranchial lamina 
postductal region of aortic arch 
posterior cleithral process 
posterior dentation of dorsal fin spine 2 
posterior dentation of pectoral fin spine 
posterior distal condyle of femur 
posterior kidney 
posterior lamina recurvata 
posterior lateral line primordium +  
posterior lateral plate mesoderm 
posterior maxillary process +  
posterior maxillary process dorsal process 
posterior neural keel +  
posterior neural rod +  
posterior neural tube +  
posterior presumptive neural plate 
posterior process of basipterygium +  
posterior process of ilium 
posterior pronephric duct 
posterior ramus of cleithrum 
posterior segment of eyeball +  
posterior subdivision of masseter 
posterodorsal process of ilium 
postminimus 
postnasal wall 
postorbital process 
postpubis 
pre-Botzinger complex 
pre-cartilage condensation +  
pre-chordal neural plate +  
preacetabular expansion 
preacetabular process 
preductal region of aortic arch 
prehallux skeleton +  
preoptic pillar 
prepectoral space 
prepollex skeleton +  
prepubic process 
prepuce +  
presubiculum +  
presumptive atrium primitive heart tube 
presumptive axochord +  
presumptive cardiac ventricle primitive heart tube 
presumptive neuron neural tube 
primary choana 
primary heart field +  
primary nerve cord +  
primary olfactory fiber layer 
primary vitreous 
primitive heart tube +  
primitive olfactory epithelium +  
primitive streak +  
primitive superior sagittal sinus +  
process 2 of entepicondyle 
process 3 of entepicondyle 
process 4 of entepicondyle 
processus lingularis of nasal skeleton 
processus posterior of parasphenoid 
procurrent spur 
pronephric mesoderm +  
pronephric nephron +  
pronephros +  
prootic bone +  
prostate field +  
prostatic urethra +  
prostatic utricle 
proximal convoluted tubule brush border 
proximal convoluted tubule segment 1 +  
proximal convoluted tubule segment 2 
proximal head of humerus +  
proximal ureter +  
pubic boot 
pubic endochondral element +  
pubic peduncle 
pubic ramus +  
pubic symphysis 
pubis-ischium contact 
pubo-ischium 
puboischiadic bar 
puboischiadic plate 
pupillary membrane 
Purkinje cell layer corpus cerebelli 
Purkinje cell layer valvula cerebelli 
radial head of humerus 
ramules cutaneous 
ramus anterior of CN VIII 
ramus nasalis lateralis 
ramus nasalis medialis 
ramus of feather barb 
ramus of feather barbule 
ramus posterior of CN VIII 
raphe of penis 
raphe of perineum +  
raphe of scrotum 
recessus basilaris 
recessus coccygealis 
recessus fenestrae ovalis 
rectal diverticulum 
rectouterine fold 
rectus abdominis muscle +  
regional part of brain +  
regional part of spinal cord +  
Reissner's fiber +  
remnant of cardiac valve 
remnant of processus vaginalis 
remnant of Rathke's pouch 
remnant of urachus 
remnnant of ductus deferens 
renal glomerulus +  
rete ovarii 
rete testis 
reticular layer of dermis 
reticular membrane of spiral organ 
retina +  
retrochiasmatic area 
retroperitoneal fat pad +  
rhamphotheca +  
rhinarium 
rhomboid 
rhomboid pre-muscle mass +  
rhombomere boundary 
ridge of tooth +  
right atrium endocardium +  
right atrium valve +  
right renal pelvis 
roof plate +  
roof plate of diencephalon 
roof plate of medulla oblongata 
roof plate of metencephalon 
roof plate of midbrain 
roof plate of telencephalon 
roof plate spinal cord region 
root of nail 
rostral blood island 
round ligament of uterus 
rugal fold of vagina 
sac of scrotum 
saccule duct 
saccus dorsalis 
sacral neural crest 
sallet 
scale primordium 
Schweigger-Seidel sheath 
sciatic notch +  
scrotal sweat gland 
scrotum +  
scrotum skin +  
secondary heart field +  
section of aorta +  
segmental subdivision of hindbrain +  
semicircular canal +  
semicircular canal ampulla +  
semicircular duct +  
seminal vesicle +  
seminiferous tubule of testis +  
sensory dissociation area 
septal olfactory organ +  
septum of scrotum 
septum pellucidum +  
septum semicircularium anterior 
septum semicircularium laterale 
septum semircularium posterior 
serosal nerve fiber of appendix 
serous membrane +  
sex cord +  
seydels palatal process 
sheath of Schwann 
sinotubular junction 
sinus of Valsalva 
skeletal muscle tissue of eye +  
skeletal support for eminentia olfactoria +  
skeleton of digitopodium +  
skin appendage follicle +  
skin crease +  
skin gland +  
skin of body +  
skin of clitoris +  
skin of iliac crest region 
skin of penis +  
small intestine smooth muscle circular layer 
small intestine smooth muscle longitudinal layer 
smooth muscle of eye +  
solum nasi 
spatium sacculare 
spina acromioidea 
spina pelvis anterior 
spina pelvis posterior 
spinal cord +  
spinal cord neural keel 
spinal cord neural rod 
spinal cord neural tube 
spiral ligament 
spiral modiolar artery 
spiral organ of cochlea +  
spiral prominence of cochlear duct 
spiral valve of conus arteriosus 
spleen B cell corona 
spleen capsule 
spleen follicular dendritic cell network 
spleen germinal center 
spleen lymphoid follicle +  
spleen perifollicular zone 
spleen primordium +  
spleen pulp +  
splenic cord 
spongiose part of urethra +  
spongiotrophoblast layer 
statoconial membrane +  
sternocleidomastoid 
stomach muscularis externa +  
stomach smooth muscle circular layer 
stomach smooth muscle inner oblique layer 
stomach smooth muscle outer longitudinal layer 
stomodeal ectoderm 
strand of hair +  
stratum basale of epidermis +  
stratum compactum of dermis +  
stratum corneum of epidermis +  
stratum fibrosum et griseum superficiale 
stratum granulosum of epidermis 
stratum intermedium of epidermis 
stratum intermedium of tooth 
stratum lucidum of epidermis 
stratum marginale 
stratum opticum 
stratum periventriculare 
stratum spinosum of epidermis 
stria vascularis of cochlear duct +  
stroma of bone marrow +  
stylar shelf +  
styloid process of radius 
styloid process of ulna 
stylopodial skeleton +  
subcupular meshwork of statoconial membrane 
subcutaneous adipose tissue +  
subcutaneous lymph node 
subdivision of conjunctiva +  
subdivision of spinal cord central canal +  
submandibular gland primordium epithelium 
submucosa of anal canal 
submucosa of fallopian tube 
submucosa of urinary bladder +  
subolfactory process 
subotic alae 
subscapularis muscle 
subserosa of fallopian tube 
substantia nigra pars compacta 
substantia nigra pars reticulata 
substratum of layer of retina +  
sulcus distalis ossis cruris 
sulcus longitudinalis 
sulcus pro musculo extensori cruris brevis 
sulcus proximalis ossis cruris 
supcapsular region of anterior region of lens 
supcapsular region of posterior region of lens 
superficial cervical fascia 
superficial part of masseter muscle +  
superficial part of temporalis 
superior branch of oculomotor nerve 
superior parietal cortex 
supinator process 
supraacetabular buttress 
supraacetabular crest 
supraacetabular rim 
supracondylar tubercle 
supracondyle tubercle +  
supraorbital flange 
supraorbital foramen +  
suprazygomatic part of temporalis 
suspensory ligament of breast 
suspensory ligament of lens 
suspensory ligament of ovary 
suspensory ligament of testis 
tail bud paraxial mesoderm 
tail fold of embryonic disc 
tapetum lucidum of camera-type eye +  
tectorial membrane of cochlea +  
tectorial restraint system 
tectum nasi 
tela choroidea of fourth ventricle 
tela choroidea of midbrain cerebral aqueduct 
tela choroidea of telencephalic ventricle 
tela choroidea of third ventricle 
telencephalic part of interventricular foramen 
telencephalon diencephalon boundary 
tentorium cerebelli 
teres major muscle +  
teres major pre-muscle mass +  
terminal part of the cochlear canal 
theca cell layer +  
theca externa 
theca interna 
thoracic duct +  
tibial crest 
tibial plateaux 
tibial tuberosity 
tooth crown +  
tooth enamel organ +  
tooth root +  
trabecula carnea +  
trabecula of spleen +  
tracheoesophageal septum 
transformed artery +  
transformed vein +  
transverse nasal root vein 
transverse pelvic ridge 
trapezius muscle +  
triangular part of inferior frontal gyrus 
trigone of urinary bladder +  
trochanter +  
trochanteric crest 
trochanteric shelf 
trochlea of humerus +  
trochlear groove of humerus 
trochlear notch 
trunk mesenchyme +  
trunk neural crest +  
trunk taste bud 
tubercle of calcaneus +  
tunica fibrosa of eyeball +  
tunica vaginalis testis 
type 1 odontode 
ulnar condyle 
ulnar metaphysis 
ulnar notch of radius 
ulnar tuberosity 
unencapsulated tactile receptor 
upper eyelid protuberances 
upper part of cisterna chyli 
upper part of vagina 
urachus +  
urachus mesenchyme 
ureter +  
ureteral orifice 
ureteral valve 
urethra +  
urethra mesenchymal layer 
urethra muscle tissue +  
urethral crest +  
urethral gland +  
urethral meatus +  
urinary bladder +  
urohyal lateral process 
urohyal median process 
urophysis 
utricle duct 
utricle valve 
utriculosaccular duct +  
uvea +  
vacuolated notochordal tissue 
vagal neural crest +  
vagina +  
vagina orifice 
vagina sebaceous gland 
vaginal hymen 
vaginal sphincter 
vallecula of cerebellum 
vasa recta ascending limb 
vasa recta descending limb 
venous dural sinus +  
venous system of brain 
venous valve +  
ventral humeral ridge 
ventral limb of posttemporal 
ventral part of optic cup +  
ventral part of pharyngeal pouch 1 
ventral part of pharyngeal pouch 2 
ventral part of pharyngeal pouch 3 
ventral part of pharyngeal pouch 4 
ventral part of pharyngeal pouch 5 
ventral patch of Leydig's organ 
ventral ridge system 
ventral tubercle of humerus 
ventral wall of dorsal aorta 
ventricular system of brain +  
ventricular system of central nervous system +  
Verson's gland 
vesicular appendage of epoophoron 
vestibular aqueduct 
vestibular fissure of the cochlear canal 
vestibular labyrinth +  
vestibular membrane of cochlear duct 
vestibular nerve 
vestibulocochlear nerve +  
visceral serous membrane +  
vitreous body +  
vomeronasal nerve 
vomeronasal organ +  
wall of anal canal 
wall of blood vessel +  
wall of central canal of spinal cord 
wall of eyeball 
wall of fallopian tube 
wall of heart +  
wall of lacrimal duct 
wall of membranous labyrinth 
wall of ureter +  
wall of urethra +  
wall of urinary bladder +  
wall of vagina 
wall of ventricular system of brain +  
ypsiloid cartilage 
zeugopodial skeleton +  
zona limitans intrathalamica 
zone of basilar membrane of cochlea +  
zone of skin +  
zygomatic process of frontal bone 
zygomaticomandibularis muscle 

Synonyms
Exact Synonyms: floorplate
Related Synonyms: FP ;   bodenplatte ;   ventral plate
Xrefs: AAO:0011041 ;   BTO:0001720 ;   EFO:0003473 ;   EMAPA:32684 ;   RETIRED_EHDAA2:0000545 ;   TAO:0000022 ;   Wikipedia:Floor_plate ;   ZFA:0000022
Definition Sources: GO:0021508, MGI:anna, PMID:15738958, Wikipedia:Floor_plate

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