human_reference_atlas part of Homo sapiens duodenum subdivision of digestive tract duodenal ampulla https://ccf-ontology.hubmapconsortium.org/objects/v1.2/VH_F_Small_Intestine.glb https://ccf-ontology.hubmapconsortium.org/objects/v1.2/VH_M_Small_Intestine.glb UBERON:0013644 duodenal cap viewed radiologically AS ampulla duodeni bulbus duodeni duodenal cap ampulla of duodenum duodenal ampulla bulbus (duodenum) uberon Wikipedia:Duodenal_cap ampulla (duodenum) FMA:14927 duodenal ampulla The very first part of the duodenum which is slightly dilated. SCTID:362149005