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
anorectum +  
capillary of small intestine 
cardiac stomach 
colon +  
colorectum +  
crypt of Lieberkuhn of small intestine +  
digestive tract diverticulum +  
duodenal ampulla 
duodeno-jejunal junction 
duodenum +  
The first part of the small intestine. At the junction of the stomach and the duodenum the alimentary canal is inflected. The duodenum first goes anteriorly for a short distance, turns dorsally, and eventually caudally, thus it is a U-shaped structure with two horizontal sections (a ventral and a dorsal one).
echinoderm pyloric cecum 
ectodermal part of digestive tract +  
endodermal part of digestive tract +  
esophagus +  
foregut +  
foregut region of duodenum +  
hindgut +  
ileum +  
intestine +  
jejuno-ileal junction 
jejunum +  
large intestine +  
lower digestive tract +  
lower esophagus +  
middle part of esophagus 
midgut +  
midgut loop 
midgut region of duodenum +  
mouth +  
myenteric nerve plexus of small intestine 
periampullary region of duodenum 
pharynx +  
proximal-distal subdivision of colon +  
pyloric stomach 
rectum +  
reticulorumen +  
small intestine +  
small intestine lymphatic vessel 
spiral valve of intestine 
stomach +  
submucous nerve plexus of small intestine 
terminal part of digestive tract +  
upper digestive tract +  
upper esophagus 
wall of small intestine +  
zone of stomach +  

Related Synonyms: proximal intestine ;   upper intestine
Xrefs: AAO:0010402 ;   BTO:0000365 ;   CALOHA:TS-0214 ;   EFO:0000851 ;   EMAPA:18852 ;   EV:0100073 ;   FMA:7206 ;   GAID:284 ;   MA:0000338 ;   MAT:0000044 ;   MESH:D004386 ;   MIAA:0000044 ;   NCI:C12263 ;   SCTID:181247007 ;   UMLS:C0013303 ;   VHOG:0000052 ;   Wikipedia:Duodenum ;   XAO:0000236 ;   galen:Duodenum
relational_adjective: duodenal
External Ontologys: never_in_taxon NCBITaxon:7955 ;   present_in_taxon NCBITaxon:9606
Definition Sources: ISBN:0815318960, Wikipedia:Duodenum

paths to the root