Send us a Message

Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   

Ontology Browser

Parent Terms Term With Siblings Child Terms
tissue +    
1st arch mandibular component +  
1st arch maxillary component +  
adrenal tissue +  
alar plate midbrain 
anal membrane 
animal cap +  
animal cap inner layer 
animal cap outer layer 
anlage +  
anterior ectodermal midgut 
anterior neural tube +  
anterior swim bladder bud 
aortic sac +  
apical ectodermal ridge +  
archenteron +  
archenteron floor 
archenteron roof 
atrioventricular canal +  
avascular GAG-rich matrix +  
axial mesoderm +  
bilaminar disc +  
blastocoel roof 
blastocyst +  
blastoderm +  
blastodisc +  
blastopore +  
blastopore lip +  
bone marrow +  
Brachet's cleft 
branchiostegal membrane 
bulb of hair follicle +  
bulbo-ventricular groove 
bulbus cordis +  
carapacial ridge +  
cardiac jelly +  
cardiogenic plate +  
cardiopharyngeal field +  
caudal ganglionic eminence 
caudal part of nephrogenic cord +  
cerebellar crest 
chordal neural plate +  
chordamesoderm +  
chorionic villous mesenchyme 
chorionic villus +  
climbing fiber 
cloacal papilla 
common atrial chamber +  
common cardinal vein +  
connective tissue +  
core of melon organ 
corneal primordium +  
corpuscles of Stannius 
deep cell layer (gastrulation) 
definitive endoderm 
dermal papilla +  
dermal pulp of feather shaft 
dermis of feather follicle 
dorsal lateral ganglionic eminence 
dorsal meso-duodenum 
dorsal meso-oesophagus 
dorso-rostral cluster 
dorsolateral septum 
early proximal tubule 
ectodermal placode +  
ectoplacental cone +  
egg yolk 
elastica externa of notochord 
embryoid body 
embryonic facial prominence +  
embryonic post-anal tail +  
embryonic tissue +  
A portion of tissue that is part of an embryo.
embryonic urethral groove +  
endocardial cushion +  
endocardial ring +  
epiblast (generic) +  
epidermal intermediate stratum 
epidermal placode 
epidermal superficial stratum 
epidermis of feather follicle +  
epiphysial cluster 
epithelium +  
equatorial belt 
erectile tissue +  
external cellular layer 
extraembryonic tissue +  
extravillous trophoblast 
eye trabecular meshwork +  
facial bone primordium 
facio-acoustic VII-VIII preganglion complex +  
filum terminale +  
filum terminale externum 
filum terminale internum 
first pancreatic bud 
ganglionic eminence +  
germ layer / neural crest +  
germ ring +  
gigantocellular part of magnocellular preoptic nucleus 
gill filament +  
glomeral mesenchyme +  
glossopharyngeal IX preganglion 
glossopharyngeal-vagus IX-X preganglion complex +  
gonadal ridge +  
granular layer corpus cerebelli 
granular layer valvula cerebelli 
hair root sheath +  
hair root sheath matrix 
head somite +  
hemisphere of embryo +  
heterogeneous tissue +  
hypoblast (generic) +  
immature macula +  
infundibular recess of 3rd ventricle +  
inner cell mass +  
inner fin tissue 
insect abdominal histoblast anlage +  
insect abdominal histoblast primordium 
insect Bolwig organ primordium +  
insect clypeo-labral primordium +  
insect dorsal epidermis primordium +  
insect embryonic imaginal precursor +  
insect lymph gland primordium +  
insect mesoderm anlage +  
insect neurogenic region 
insect presumptive embryonic/larval system +  
insect tracheal primordium +  
insect trunk ectoderm +  
insect ventral ectoderm +  
insect ventral epidermis primordium +  
insect visceral mesoderm +  
insect visual primordium +  
intermediate cell mass of mesoderm 
intermediate mesoderm +  
internal cellular layer 
interrenal primordium +  
interstitial fluid +  
intersubcardinal venous anastomosis 
intervillus pockets +  
intraembryonic coelom +  
kidney rudiment +  
Koller's sickle 
Kupffer's vesicle 
lamina +  
late distal segment 
lateral ganglionic eminence +  
lateral line +  
lateral line primordium +  
lateral lingual swelling +  
lateral plate mesoderm +  
left horn of sinus venosus 
lens cortex 
lens vesicle +  
limiting layer of elasmoid scale 
lingual swellings +  
lower oral valve 
macula +  
marginal zone of embryo +  
matrix-based tissue 
maxillary prominence +  
medial ganglionic eminence 
median lingual swelling +  
mediastinum testis +  
mesenchyme +  
mesocardium +  
metanephric cap 
mineralized extracellular matrix +  
molecular layer corpus cerebelli +  
molecular layer valvula cerebelli +  
mossy fiber 
Mullerian tubercle 
muscle tissue +  
nail matrix 
nephric ridge +  
nephrogenic cord +  
nephron progenitor +  
neural fold +  
neural fold hinge point 
neural groove +  
neural plate proneural cluster 
neural tissue 
neural tube alar plate +  
neurogenic field +  
non-neural ectoderm +  
notochord posterior region 
notochordal plate +  
optic vesicle +  
outer fin tissue 
paired limb/fin field +  
parallel fiber, teleost 
pars acromialis 
pars amphibiorum 
pars basilaris 
pars glenoidalis of scapula 
pearly penile papule 
penile spine 
pericardio-peritoneal canal +  
periodontium +  
perioptic mesenchyme 
periurethral tissue +  
pharyngeal membrane +  
pharyngeal pouch +  
pillar of the semicircular canal +  
placodal ectoderm 
pleuropericardial canals 
pleuropericardial folds 
pleuroperitoneal membrane 
post-anal gut 
post-anal tail bud +  
posterior neural tube +  
prechordal mesoderm +  
prechordal plate +  
preputial swelling +  
presumptive cephalic mesoderm 
presumptive intervening zone +  
presumptive neuron neural tube 
presumptive structure +  
primary heart field +  
primary olfactory fiber layer 
primitive groove 
primitive knot +  
primitive urogenital sinus +  
Purkinje cell layer corpus cerebelli 
Purkinje cell layer valvula cerebelli 
ramule palatonasalis 
retromolar triangle 
right horn of sinus venosus +  
root of nail 
rostral blood island 
rostral part of nephrogenic cord +  
saccus dorsalis 
scale primordium 
secondary heart field +  
shelled egg +  
sinoatrial valve 
sinovaginal bulb +  
sinus of von Szily 
somatic layer of lateral plate mesoderm +  
somatopleure +  
splanchnic layer of lateral plate mesoderm +  
splanchnopleure +  
spleen primordium +  
stratum fibrosum et griseum superficiale 
stratum marginale 
stratum opticum 
stratum periventriculare 
superficial fascia 
syncytiotrophoblast +  
tectal plate +  
thyroid primordium +  
tooth root apical papilla 
trabecular network of bone +  
tracheal diverticulum 
tracheoesophageal fold +  
trophoblast +  
truncus arteriosus +  
trunk and cervical myotome group +  
tunica vasculosa lentis 
undifferentiated genital tubercle +  
upper oral valve 
urogenital membrane 
vaginal plate 
vasa hyaloidea propria 
venous vitelline plexus 
ventral ectodermal ridge 
ventral mesentery +  
ventral midline 
ventral wall of dorsal aorta 
yolk +  
yolk syncytial layer +  
 ear vesicle +  
 floor plate +  
 head somite +  
 heart tube +  
 kidney field +  
 neural fold +  
 neural plate +  
 neural tube +  
 roof plate +  
 sex cord +  

Exact Synonyms: portion of embryonic tissue
Related Synonyms: developing tissue
Xrefs: CALOHA:TS-2100
Definition Sources: OBOL:automatic

paths to the root