part of part of continuous with adjacent to contributes to morphology of pylorus pyloric sphincter VHOG:0001466 MA:0002952 XAO:0000457 AAO:0011093 SCTID:268073008 EMAPA:19251 UBERON:0001202 pyloric sphincter FMA:14916 A strong ring of smooth muscle at the end of the pyloric canal which lets food pass from the stomach to the duodenum. It receives sympathetic innervation from the celiac ganglion[WP]. pyloric valve NCIT:C33433 UMLS:C0227238 duodenum sphincter muscle pyloric canal gastrointestinal sphincter