part_of part of part of develops_from develops from contributes to morphology of biliary tree gall bladder Abdomal:organs.svg https://upload.wikimedia.org/wikipedia/commons/b/b1/GallbladderAnatomy-en.svg VHOG:0000221 SCTID:181269000 OpenCyc:Mx4rvVkGr5wpEbGdrcN5Y29ycA ZFA:0000208 MA:0000356 CALOHA:TS-0394 gallbladder XAO:0000135 relationship type change: differentiates_from endoderm (AAO:0000139) CHANGED TO: develops_from endoderm (UBERON:0000925)[AAO] vesica biliaris NCIT:C12377 UMLS:C0016976 galen:Gallbladder EFO:0000853 TAO:0000208 vesica fellea MAT:0000072 EHDAA2:0000699 AAO:0010114 BTO:0000493 gall bladder Membranous muscular sac in which the bile from the liver remains stored until it is required. [Dorian_AF, Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier][VHOG] Organ attached to the liver which stores bile and empties into the duodenum via the bile duct as needed for digestion.[AAO] EHDAA:8062 An organ that aids digestion and stores bile produced by the liver[WP]. MESH:D005704 Wikipedia:Gallbladder EMAPA:17202 FMA:7202 UBERON:0002110 The presence of a gallbladder appears to be a primitive trait. It is found in most fish and all adult reptiles and amphibians and has been well conserved in mammals, for the most part.[well established][VHOG] EV:0100090 uberon MIAA:0000072 Rats do not have a gallbladder, but produce bile. The bile flows directly from the liver through the (hepatic) bile duct into the small intestine (Hebel and Stromberg, 1988) hepatobiliary system endoderm-derived structure biliary bud gall bladder primordium digestive system element abdominal viscera bladder organ