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
adipose fin +  
adult organism +  
anal fin +  
anatomical group +  
anatomical system +  
anlage +  
appendage girdle complex +  
body of tubeworm +  
brain +  
brain marginal zone +  
caudal fin +  
comma-shaped body +  
copula linguae 
developing mesenchymal structure +  
differentiated genital tubercle +  
dorsal fin +  
embryo +  
embryonic structure +  
epigonal organ 
extraembryonic structure +  
feather bud +  
female organism +  
future glans +  
future tongue +  
hair peg 
Hatschek's left diverticulum +  
Hatschek's right diverticulum 
hermaphroditic organism +  
hypopharyngeal eminence 
immature eye +  
insect imaginal precursor +  
insect non-connected developing system +  
insect pharate adult 
integument +  
integumental system +  
kidney +  
larva +  
layer of developing cerebral cortex +  
left anterior cardinal vein 
left apical axillary lymph node 
left central axillary lymph node 
left common iliac artery 
left external ear 
left extraembryonic umbilical vein 
left eye +  
left gastric lymph node +  
left kidney +  
left lymph heart 
left occipital lymph node 
left ovary 
left parietal lumbar lymph node +  
left pectoral axillary lymph node 
left pelvic girdle region +  
left posterior cardinal vein 
left recurrent laryngeal nerve 
left retropharyngeal lymph node 
left side of back 
left subcardinal vein 
left subclavian artery 
left subcostal vein 
left subscapular axillary lymph node 
left suprarenal vein 
left testicular vein 
left umbilical vein +  
left ureter +  
left uterine tube +  
left vitelline vein 
limb paddle 
male organism +  
median fin +  
metanephros induced blastemal cells +  
morphological feature +  
nephric fold 
nephrogenic zone +  
notochordal process +  
organism subdivision +  
organism substance +  
outer epithelium +  
ovarian vein 
panarthropod tagma +  
pectoral girdle region +  
pharyngeal region of foregut +  
post-embryonic organism +  
prepupa +  
primordium +  
Primordia are populations of contiguous cells that are morphologically distinct and already correspond in extent to a later organ/tissue[FBbt, Hartenstein, V. (2004)].
pronephros +  
pupa +  
Rathke's pouch +  
regenerating anatomical structure +  
right anterior cardinal vein 
right apical axillary lymph node 
right central axillary lymph node 
right common iliac artery 
right external ear 
right extraembryonic umbilical vein 
right eye +  
right kidney +  
right lymph heart 
right occipital lymph node 
right ovary 
right pectoral axillary lymph node 
right pelvic girdle region +  
right posterior cardinal vein 
right recurrent laryngeal nerve 
right retropharyngeal lymph node 
right side of back 
right subcardinal vein 
right subclavian artery 
right subcostal vein 
right subscapular axillary lymph node 
right suprarenal vein 
right testicular vein 
right umbilical vein 
right ureter +  
right uterine tube +  
right vitelline vein 
S-shaped body +  
sexually immature organism 
siphon primordium +  
somite +  
testicular vein +  
tissue +  
tooth bud +  
transitional anatomical structure +  
tubotympanic recess epithelium +  
tunicate tunic 
ulna cartilage element +  
ureter +  
vascular cord +  
 rhombic lip +  

Related Synonyms: bud ;   future organ ;   placode ;   primordia ;   rudiment
Xrefs: AEO:0000171 ;   BTO:0001886 ;   EFO:0001652 ;   EHDAA2:0003171 ;   FBbt:00005495 ;   FMA:86589 ;   MAT:0000482 ;   NCIT:C34275 ;   UMLS:C0678727 ;   Wikipedia:Primordium ;   XAO:0003043
Definition Sources: BTO:0001886, FB:DJS, FB:FBrf0089570,

paths to the root