Send us a Message



 Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   
Search RGD Grant Resources Citing RGD About Us Contact Us
Genes QTLs Strains Markers Genome Information Ontologies Cell Lines References Download Submit Data
OntoMate (Literature Search) JBrowse (Genome Browser) Variant Visualizer Multi-Ontology Enrichment (MOET) Gene-Ortholog Location Finder (GOLF) InterViewer (Protein-Protein Interactions) PhenoMiner (Quatitative Phenotypes) Gene Annotator OLGA (Gene List Generator) RatMine GViewer (Genome Viewer) Overgo Probe Designer VCMap
Aging & Age-Related Disease Cancer Cardiovascular Disease COVID-19 Developmental Disease Diabetes Hematologic Disease Immune & Inflammatory Disease Infectious Disease Liver Disease Neurological Disease Obesity & Metabolic Syndrome Renal Disease Respiratory Disease Sensory Organ Disease
Find Models   new Genetic Models Autism Models PhenoMiner (Quantitative Phenotypes) Expected Ranges (Quantitative Phenotype) PhenoMiner Term Comparison Hybrid Rat Diversity Panel Phenotypes GERRC (Gene Editing Rat Resource Center) Phenotypes in Other Animal Models Animal Husbandry Strain Medical Records Phylogenetics Strain Availability Calendar Rats 101 Submissions Photo Archive
Pathways
Rat Community Forum Directory of Rat Laboratories Video Tutorials News RGD Publications RGD Poster Archive Nomenclature Guidelines Resource Links Laboratory Resources Employment Resources

Ontology Browser
Term:
spleen primordium (UBERON:0006293)
Annotations: Rat: (0) Mouse: (0) Human: (0) Chinchilla: (0) Bonobo: (0) Dog: (0) Squirrel: (0) Pig: (0)
Parent Terms Term With Siblings Child Terms
1st arch mandibular component +  
1st arch mandibular ectoderm 
1st arch mandibular endoderm +  
1st arch maxillary component +  
1st arch maxillary ectoderm +  
1st arch maxillary endoderm 
accessory foramen 
acetabular notch 
acetabular part of hip bone +  
acetabular rim +  
acropodial skeleton +  
adductor blade +  
adductor crest 
adductor mandibulae complex 
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 
agger limitans anterior of ilium 
agger limitans anterior of ischium 
alisphenoid bone 
amnion +  
ampulla of uterine tube 
anal membrane 
angioblastic cord 
animal cap +  
animal cap inner layer 
animal cap outer layer 
anterior axial hypoblast +  
anterior crista primordium +  
anterior dentation of pectoral fin spine 
anterior distal condyle of femur 
anterior distal serration of pectoral fin spine 
anterior humeral ridge 
anterior lateral mesoderm 
anterior lateral plate mesoderm +  
anterior neural keel +  
anterior neural rod +  
anterior neural tube +  
anterior presumptive neural plate 
anterior subdivision of masseter 
antitrochanter 
antotic pillar 
aorta collagen fibril 
aortic body 
aortic sac +  
apical ectodermal ridge +  
apical region of heart ventricle +  
apophysis distalis of tibiale fibulare 
apophysis distalis of tibiofibula 
apophysis proximalis 
appendix epididymis 
appendix testis 
arachnoid barrier layer 
archenteron +  
archenteron floor 
archenteron roof 
ascending process of the astragalus 
associated mesenchyme of foregut-midgut junction 
associated mesenchyme of midgut 
astragalus head 
astragalus-calcaneum unit +  
atrial foramen intermedium 
atrioventricular canal +  
atrioventricular region +  
atrium auricular region +  
atrium myocardial trabecula 
autopodial skeleton +  
axial hypoblast +  
axial mesoderm +  
axochord 
basal zone of heart 
base of glans penis 
basipterygium element +  
basisphenoid bone 
bicipital crest 
bicipital tuberosity 
bilaminar disc +  
blastocoel roof 
blastocyst +  
blastoderm +  
blastodisc +  
blastopore +  
blastopore lip +  
blood vessel +  
blood vessel elastic tissue +  
blood vessel layer +  
body of ilium +  
body-wall mesenchyme +  
bone marrow +  
bone of free limb or fin +  
Brachet's cleft 
branch of ilio-marsupialis muscle 
branchiomeric muscle +  
brevis shelf +  
broad ligament of uterus +  
bulb of aorta +  
bulb of penis 
bulbo-ventricular groove 
bulbus arteriosus inner layer 
bulbus arteriosus middle layer 
bulbus arteriosus outer layer 
bulbus cordis +  
bursal follicle 
bursal plica +  
calcaneal body 
calcaneal tuber 
canal of Nuck 
capitulum of humerus 
capitulum of radio-ulna 
capitulum of radius 
capitulum ulnae 
caput epididymis 
caput ossis cruris 
carapacial ridge +  
carapacial ridge ectoderm 
carapacial ridge mesenchyme 
cardiac chamber +  
cardiac jelly +  
cardiac mesenchyme +  
cardiac neural crest +  
cardiac septum +  
cardiac skeleton 
cardiac valve leaflet +  
cardial valve +  
cardiogenic plate +  
cardiogenic splanchnic mesoderm +  
cardiopharyngeal field +  
carotid body 
cauda epididymis 
caudal ganglionic eminence 
caudal part of nephrogenic cord +  
celiac trunk 
ceratotrichium +  
cerebellar plate +  
chordal neural plate +  
chordamesoderm +  
chordo neural hinge 
chorioallantoic membrane 
chorion membrane +  
chorionic plate +  
chorionic villus +  
circulatory system dorsal vessel +  
clavicle bone primordium +  
clitoris +  
cnemial crest 
collum antibrachii 
collum ilei 
columnar area 
common atrial chamber +  
common cardinal vein +  
condyle of femur +  
condyle of humerus +  
condyle of talus +  
condyle of tibia +  
conotruncus 
corneal primordium +  
corona of glans penis 
coronary vessel +  
coronoid process of ulna 
corpus cavernosum clitoridis +  
corpus cavernosum penis +  
corpus epididymis 
corpus luteum 
corpus spongiosum of penis 
corpuscles of Stannius 
cortex of humerus 
cotyloid notch 
cranial muscle +  
cranial neural crest +  
crista dorsalis humeri 
crista hypertrophica ischium 
crista ischii 
crista lateralis humeri 
crista medialis humeri 
crista radii 
crista terminalis 
crista tibiofibularis 
crus of clitoris 
crus of penis 
cumulus oophorus 
cusp of cardiac valve +  
cytotrophoblast 
dartos muscle of labia majora 
dartos muscle of scrotum 
deep cell layer (gastrulation) 
deep part of masseter muscle 
deep part of temporalis 
definitive endoderm 
deltoid +  
deltoid pre-muscle mass +  
deltoid process 
deltopectoral crest 
dense mesenchyme tissue +  
descending thoracic aorta 
descending trunk of arch of aorta +  
diaphysis of femur +  
diaphysis of fibula 
diaphysis of metacarpal bone 
diaphysis of metatarsal bone 
diaphysis of radius 
diaphysis of tibia 
diaphysis of ulna +  
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 
dorsal axial hypoblast 
dorsal fin actinotrichium 
dorsal iliac process 
dorsal iliac ridge 
dorsal lateral ganglionic eminence 
dorsal lateral plate region 
dorsal meso-duodenum 
dorsal meso-oesophagus 
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 
duct of bulbourethral gland 
duct of epididymis 
duct of lesser vestibular gland 
duct of major vestibular gland 
duct of seminal vesicle 
ear vesicle +  
early pharyngeal endoderm +  
early proximal tubule 
ectepicondylar flange 
ectepicondylar foramen +  
ectocondylar tubercle 
ectodermal placode +  
ectoplacental cone +  
egg cylinder 
egg yolk 
elastica externa of notochord 
elbow joint primordium +  
element Y of fore mesopodium 
embryoid body 
embryonic cloacal epithelium +  
embryonic facial prominence +  
embryonic lymph sac +  
embryonic post-anal tail +  
embryonic tissue +  
embryonic urethral groove +  
eminentia arcuata 
endocardial cushion +  
endocardial ring +  
endometrial gland +  
endomysium +  
entepicondylar foramen 
entire pharyngeal arch associated mesenchyme +  
entire pharyngeal arch endoderm +  
enveloping layer of ectoderm +  
epaxial musculature +  
epiblast (generic) +  
epicardial fat 
epicardium +  
epicondyle of humerus +  
epididymal fat pad 
epididymis +  
epileon 
epimysium 
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 
ethmoid bone primordium +  
excurrent foramen of ectepicondylar foramen 
external anterior process of basipterygium 
external ectoderm +  
external yolk syncytial layer 
extra-ocular muscle +  
extraembryonic membrane mesenchyme +  
extraembryonic mesoderm +  
extraglomerular mesangium 
extravillous trophoblast 
eye primordium +  
eyelid subcutaneous connective tissue 
facial bone primordium 
facio-acoustic VII-VIII preganglion complex +  
falciform fat 
fallopian tube +  
fascia of Camper 
feather bud, dermal component +  
femoral ridge 
fibrous ring of heart +  
fibular crest 
first pancreatic bud 
flexural organ 
floor plate +  
floor plate of neural tube +  
foramen nutritium exterius 
foramen perforans carpi 
foramen perforans tarsi 
foramen primum 
foramen secundum 
forebrain neural keel +  
forebrain neural rod +  
forebrain neural tube 
fossula tuberis superioris 
fovea capitis of femur 
fovea capitis of humerus 
frontonasal process epithelium +  
fundus of urinary bladder +  
future central tendon +  
future dermis +  
future falx cerebri +  
future hindbrain meninx +  
gall bladder primordium +  
ganglionic eminence +  
gastro-splenic ligament 
gastrophrenic ligament 
genioglossus muscle 
genital swelling +  
germ layer / neural crest +  
germ ring +  
germinal neuroepithelium +  
glans +  
glomeral mesenchyme +  
glomerular basement membrane +  
glomerular mesangium +  
glomerular tuft +  
glossopharyngeal IX preganglion 
glossopharyngeal-vagus IX-X preganglion complex +  
gonad mesenchyme +  
gonad primordium +  
gonadal ridge +  
greater omentum +  
gubernacular bulb +  
gubernacular bulb, extra-abdominal part 
gubernacular bulb, intra-abdominal part 
gubernacular cord 
gubernaculum (male or female) +  
Guérin's valve 
Hatschek's diverticulum +  
head fold of embryonic disc 
head mesenchyme +  
head mesenchyme from mesoderm +  
head of femur +  
head of radius 
heart +  
heart elastic tissue 
heart layer +  
heart primordium +  
heart tube +  
hematopoietic system +  
hematopoietic tissue +  
hemisphere of embryo +  
hemopoietic organ +  
hepatic diverticulum +  
hepatoduodenal ligament 
hepatogastric ligament 
hindbrain neural keel +  
hindbrain neural rod +  
hindbrain neural tube 
hindgut +  
hip joint primordium +  
humeral diverticulum of clavicular air sac 
humerus diaphysis +  
hyaloid canal 
hyoid muscle +  
hyoid pre-muscle mass +  
hypaxial musculature +  
hypoblast (generic) +  
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 macula +  
incisura terminalis 
incurrent foramen of ectepicondylar foramen 
individual digit of digitopodial skeleton +  
inflow tract +  
infundibular recess of 3rd ventricle +  
inner cell mass +  
inner medulla vasa recta ascending limb 
inner medulla vasa recta descending limb 
insect abdominal histoblast anlage +  
insect abdominal histoblast primordium +  
insect adult clypeo-labral anlage +  
insect adult clypeo-labral primordium +  
insect anlage in statu nascendi 
insect Bolwig organ primordium +  
insect cephalic furrow 
insect circulatory system primordium +  
insect clypeo-labral anlage +  
insect clypeo-labral primordium +  
insect dorsal epidermis primordium +  
insect embryonic imaginal precursor +  
insect embryonic optic lobe primordium 
insect embryonic/larval lymph gland 
insect histoblast +  
insect imaginal disc primordium +  
insect lymph gland primordium +  
insect mesoderm anlage +  
insect neurogenic region 
insect presumptive embryonic/larval system +  
insect tracheal primordium +  
insect trunk ectoderm +  
insect trunk mesoderm anlage +  
insect trunk mesoderm derivative +  
insect ventral ectoderm +  
insect ventral epidermis primordium +  
insect ventral furrow 
insect visceral mesoderm +  
insect visual anlage +  
insect visual primordium +  
interilial region 
intermediate cell mass of mesoderm 
intermediate mesenchyme 
intermediate mesoderm +  
intermedium (fore) 
internal anterior process of basipterygium 
internal spermatic fascia 
internal trochanter 
internal urethral orifice 
internal yolk syncytial layer 
interparietal bone primordium +  
interrenal primordium +  
intersubcardinal venous anastomosis 
intertarsal sesamoid +  
interventricular foramen intermedium 
interventricular foramen of heart 
interventricular groove +  
intra-ocular muscle +  
intraembryonic coelom +  
intramembranous bone +  
intramembranous bone tissue 
intrinsic muscle of tongue +  
intumescentia bilateralis inferior 
intumescentia bilateralis superior 
ischial cartilage 
ischial endochondral element +  
ischial foot 
ischial peduncle 
ischial ramus +  
ischial spine 
ischiopubic ramus 
jugular body 
jugular bulb +  
juxtaductal region of aortic arch 
kidney field +  
kidney mesenchyme +  
kidney rudiment +  
knee joint primordium +  
Koller's sickle 
Kupffer's vesicle 
labium majora +  
labium minora 
lamina densa of glomerular basement membrane 
lamina propria of ureter 
lamina propria of urethra +  
lamina propria of urinary bladder +  
lamina rara externa 
lamina rara interna 
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 epicondyle of femur 
lateral floor plate 
lateral ganglionic eminence +  
lateral lingual swelling +  
lateral lingual swelling epithelium 
lateral malleolus of fibula 
lateral plate mesoderm +  
lateral process of basipterygium 
lateral tuber of ulna 
lateral tubercle of astragalus 
lateral wall neural rod 
latissimus dorsi muscle 
latissimus dorsi pre-muscle mass +  
latissimus dorsi process 
left horn of sinus venosus 
left renal pelvis 
lesser tubercle of humerus 
levator scapulae muscle 
levator scapulae pre-muscle mass +  
lieno-renal ligament 
limb endochondral element +  
limb mesenchyme +  
lingual swellings +  
liver primordium +  
loose mesenchyme tissue +  
lower part of vagina 
lung mesenchyme +  
lung primordium +  
major vestibular gland +  
male preputial gland 
manual digit mesenchyme +  
manus connective tissue +  
marginal zone of embryo +  
marginal zone of spleen 
maxillary process ectoderm +  
maxillary process mesenchyme +  
maxillary process mesenchyme from head mesenchyme 
maxillary prominence +  
medial blade of ilium 
medial epicondyle of femur 
medial floor plate 
medial ganglionic eminence 
medial pelvic process 
mediale 
median lingual swelling +  
median lingual swelling epithelium 
mediastinum testis +  
membranous urethra of male or female +  
mesangium +  
mesenchyme derived from neural crest +  
mesenchyme dorsal fin 
mesenchyme from somatopleure +  
mesenchyme from splanchnopleure +  
mesenchyme median fin fold 
mesenchyme of hindgut 
mesenchyme of hip +  
mesenchyme of main bronchus +  
mesenchyme of mammary gland +  
mesenchyme of shoulder +  
mesenchyme of sublingual gland primordium 
mesenchyme of umbilical cord +  
mesenchyme pectoral fin 
mesenchyme pelvic fin 
mesenteric fat pad +  
mesenteric lymph node +  
mesial pelvic ridge 
meso-epithelium +  
mesocardium +  
mesoderm blood island 
mesonephric capsule 
mesonephric collecting duct 
mesonephric early proximal tubule 
mesonephric late distal segment 
mesonephric late proximal tubule 
mesonephric mesenchyme +  
mesonephric nephron +  
mesonephric nephron progenitor 
mesonephros +  
mesopodial skeleton +  
metanephric cap 
metanephric capsule 
metanephric collecting duct +  
metanephric cortex mesenchyme +  
metanephric cortical collecting duct 
metanephric descending thin limb +  
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 neural keel +  
midbrain neural rod 
midbrain neural tube +  
middle anterior process of basipterygium 
migrating mesenchyme population +  
mixed endoderm/mesoderm-derived structure +  
mucosa of seminal vesicle 
mucosa of ureter +  
mucosa of urethra +  
mucosa of urinary bladder +  
mucosa of uterine tube +  
mucosa of vagina +  
Mullerian duct +  
Mullerian tubercle 
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 
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 urinary bladder +  
nephric ridge +  
nephrogenic cord +  
nephrogenic mesenchyme +  
nephrostome 
neural fold +  
neural fold hinge point 
neural groove +  
neural lobe of neurohypophysis 
neural plate +  
neural plate proneural cluster 
neural tube +  
neural tube alar plate +  
neural tube basal plate +  
neural tube mantle layer +  
neural tube ventricular layer +  
Nobelian rod 
noninvoluting endocytic marginal cell cluster 
notochord +  
notochord posterior region 
notochordal plate +  
nucleus pulposus 
obturator foramen 
obturator process of ischium 
olecranon 
olecranon fossa 
omentum +  
optic eminence mesenchyme 
optic foramen +  
orbitosphenoid +  
orbitosphenoid septum 
organizer inducing center 
os clitoris 
os penis 
otic vesicle protrusion +  
outer medulla vasa recta ascending limb 
outer medulla vasa recta descending limb 
outflow tract +  
outflow tract pericardium 
ovarian follicle +  
ovarian ligament 
paired fin radial element +  
paired fin radial skeleton +  
paired limb/fin field +  
paired limb/fin skeleton +  
pancreas dorsal primordium +  
pancreas mesenchyme 
pancreas primordium +  
pancreas ventral primordium +  
pancreatic epithelial bud +  
papillary muscle of heart +  
paraxial mesoderm +  
parenchyma of spleen +  
parietal serous membrane +  
parotid gland primordium +  
pars cylindriformis ilei 
pars reflexa of masseter 
part of afferent arteriole forming the juxtaglomerular complex 
patella cartilage element 
patella pre-cartilage condensation +  
pearly penile papule 
pectinate muscle 
pectoral appendage bud ectoderm +  
pectoral appendage cartilage tissue +  
pectoral fin actinotrichium 
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 +  
pericardio-peritoneal canal mesothelium +  
perichordal ring 
perichordal tissue +  
perimysium 
periocular mesenchyme 
perioptic mesenchyme 
pes connective tissue +  
pharyngeal arch mesenchyme from head mesenchyme +  
pharyngeal arch mesenchyme from neural crest +  
pharyngeal ectoderm +  
pharyngeal gill precursor +  
pharyngeal membrane +  
pharyngeal pouch +  
placenta +  
placenta junctional zone 
placenta labyrinth +  
placenta metrial gland 
placental labyrinth villous 
placental membrane +  
placentome of cotyledonary placenta +  
pleuropericardial canals 
pleuropericardial folds 
pleuroperitoneal canal 
pleuroperitoneal membrane 
polster 
popliteal area 
post-anal gut 
postacetabular buttress 
postacetabular zone 
postaxial process of the femur 
postaxial process of the fibula 
postaxial process of the ulnare 
postductal region of aortic arch 
posterior dentation of pectoral fin spine 
posterior distal condyle of femur 
posterior kidney 
posterior lateral plate mesoderm 
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 subdivision of masseter 
posterodorsal process of ilium 
postminimus 
postpubis 
pre-cartilage condensation +  
pre-chordal neural plate +  
preacetabular expansion 
preacetabular process 
prechordal mesoderm +  
prechordal plate +  
preductal region of aortic arch 
prehallux skeleton +  
preoptic pillar 
prepectoral space 
prepollex skeleton +  
prepubic process 
prepuce +  
preputial swelling +  
presumptive atrium primitive heart tube 
presumptive axochord +  
presumptive cardiac ventricle primitive heart tube 
presumptive cephalic mesoderm 
presumptive intervening zone +  
presumptive neuron neural tube 
presumptive structure +  
primary heart field +  
primitive groove 
primitive heart tube +  
primitive knot +  
primitive olfactory epithelium +  
primitive streak +  
primitive urogenital sinus +  
primordial vasculature +  
process 2 of entepicondyle 
process 3 of entepicondyle 
process 4 of entepicondyle 
proepicardium +  
pronephric mesoderm +  
pronephric nephron +  
pronephros +  
prostate field +  
prostatic urethra +  
prostatic utricle 
proximal convoluted tubule segment 1 +  
proximal convoluted tubule segment 2 
proximal head of humerus +  
pubic boot 
pubic endochondral element +  
pubic peduncle 
pubic ramus +  
pubic symphysis 
pubis-ischium contact 
pubo-ischium 
puboischiadic bar 
puboischiadic plate 
radial head of humerus 
raphe of penis 
raphe of perineum +  
raphe of scrotum 
recessus coccygealis 
rectal diverticulum 
rectouterine fold 
rectus abdominis muscle +  
remnant of cardiac valve 
remnant of processus vaginalis 
remnant of urachus 
remnnant of ductus deferens 
renal glomerulus +  
respiratory primordium +  
respiratory primordium mesenchyme 
rete ovarii 
rete testis 
retroperitoneal fat pad +  
rhombic lip +  
rhomboid 
rhomboid pre-muscle mass +  
right atrium endocardium +  
right atrium valve +  
right horn of sinus venosus +  
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 
rostral blood island 
rostral part of nephrogenic cord +  
round ligament of uterus 
rugal fold of vagina 
sac of scrotum 
sacral neural crest 
salivary gland primordium +  
scale primordium 
Schweigger-Seidel sheath 
sciatic notch +  
scleral mesenchyme 
scrotal sweat gland 
scrotum +  
scrotum skin +  
secondary heart field +  
section of aorta +  
seminal vesicle +  
seminiferous tubule of testis +  
septum of scrotum 
septum transversum +  
serous membrane +  
sex cord +  
shelled egg +  
sinoatrial valve 
sinotubular junction 
sinovaginal bulb +  
sinus of Valsalva 
sinus of von Szily 
skeleton of digitopodium +  
skin of clitoris +  
skin of penis +  
small intestine smooth muscle circular layer 
small intestine smooth muscle longitudinal layer 
somatic layer of lateral plate mesoderm +  
somatopleure +  
spina pelvis anterior 
spina pelvis posterior 
spinal cord neural keel 
spinal cord neural rod 
spinal cord neural tube 
spiral valve of conus arteriosus 
splanchnic layer of lateral plate mesoderm +  
splanchnopleure +  
spleen B cell corona 
spleen capsule 
spleen follicular dendritic cell network 
spleen germinal center 
spleen lymphoid follicle +  
spleen perifollicular zone 
spleen primordium +  
A dense syncitial-like mesenchymal thickening in the dorsal mesogastrium[ISBN]. the embryonic connective tissue made up of loosely aggregated mesenchymal cells, supported by interlaminar jelly, that gives rise to the developing spleen[MP].
spleen pulp +  
splenic cord 
spongiose part of urethra +  
spongiotrophoblast layer 
squamous part of temporal bone primordium +  
sternocleidomastoid 
stomach muscularis externa +  
stomach primordium 
stomach smooth muscle circular layer 
stomach smooth muscle inner oblique layer 
stomach smooth muscle outer longitudinal layer 
stomodeal ectoderm 
stroma of bone marrow +  
styloid process of radius 
styloid process of ulna 
stylopodial skeleton +  
subcutaneous adipose tissue +  
subcutaneous lymph node 
submandibular gland primordium epithelium 
submucosa of urinary bladder +  
submucosa of uterine tube 
subscapularis muscle 
sulcus distalis ossis cruris 
sulcus longitudinalis 
sulcus pro musculo extensori cruris brevis 
sulcus proximalis ossis cruris 
superficial cervical fascia 
superficial part of masseter muscle +  
superficial part of temporalis 
supinator process 
supraacetabular buttress 
supraacetabular crest 
supraacetabular rim 
supracondylar tubercle 
supracondyle tubercle +  
suprazygomatic part of temporalis 
suspensory ligament of ovary 
suspensory ligament of testis 
syncytiotrophoblast +  
tail bud paraxial mesoderm 
tail fold of embryonic disc 
tectal plate +  
temporomandibular joint primordium +  
teres major muscle +  
teres major pre-muscle mass +  
tetrapod frontal bone primordium 
tetrapod parietal bone primordium 
theca cell layer +  
theca externa 
theca interna 
thoracic duct +  
thymus primordium +  
thyroid diverticulum +  
thyroid primordium +  
tibial crest 
tibial plateaux 
tibial tuberosity 
trabecula carnea +  
trabecula of spleen +  
tracheal diverticulum 
tracheoesophageal fold +  
tracheoesophageal septum 
transformed artery +  
transformed vein +  
transverse pelvic ridge 
trapezius muscle +  
trigone of urinary bladder +  
trochanter +  
trochanteric crest 
trochanteric shelf 
trochlea of humerus +  
trochlear groove of humerus 
trochlear notch 
trophoblast +  
truncus arteriosus +  
trunk and cervical myotome group +  
trunk mesenchyme +  
trunk neural crest +  
tubercle of calcaneus +  
tunica vaginalis testis 
tunica vasculosa lentis 
typhlosole 
ulnar condyle 
ulnar metaphysis 
ulnar notch of radius 
ulnar tuberosity 
undifferentiated genital tubercle +  
upper part of cisterna chyli 
urachus +  
urachus mesenchyme 
ureter +  
ureteral orifice 
ureteral valve 
urethra +  
urethra mesenchymal layer 
urethra muscle tissue +  
urethral crest +  
urethral gland +  
urethral meatus +  
urinary bladder +  
urogenital membrane 
urogenital sinus mesenchyme +  
vacuolated notochordal tissue 
vagal neural crest +  
vagina +  
vagina orifice 
vagina sebaceous gland 
vaginal hymen 
vaginal plate 
vaginal sphincter 
vasa hyaloidea propria 
vasa recta ascending limb 
vasa recta descending limb 
venous valve +  
venous vitelline plexus 
ventral ectodermal ridge 
ventral humeral ridge 
ventral mesenchyme 
ventral mesentery +  
ventral midline 
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 
vesicular appendage of epoophoron 
visceral serous membrane +  
vitelline venous plexus 
wall of blood vessel +  
wall of heart +  
wall of ureter +  
wall of urethra +  
wall of urinary bladder +  
wall of uterine tube 
wall of vagina 
yolk +  
yolk syncytial layer +  
ypsiloid cartilage 
zeugopodial skeleton +  
zygomaticomandibularis muscle 
 spleen +  

Synonyms
Exact Synonyms: spleen mesenchyme ;   splenic mesenchyme ;   splenic primordium
Narrow Synonyms: left spleen primordium
Alternate IDs: UBERON:0009750
Xrefs: EHDAA2:0001904 ;   EHDAA:3003 ;   EMAPA:18535 ;   XAO:0000326
Definition Sources: ISBN:0123747295, MP:0011263

paths to the root