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]. [ https://orcid.org/0000-0002-6601-2165 ]
Synonyms: pyloric valve
Term information
- FMA:14916
- NCIT:C33433
- EMAPA:19251
- MA:0002952
- OpenCyc:Mx4rvly2ZZwpEbGdrcN5Y29ycA
- UMLS:C0227238 (ncithesaurus:Pyloric_Sphincter)
- XAO:0000457
- SCTID:268073008
- VHOG:0001466
- AAO:0011093
uberon_slim, pheno_slim
(...) the adult Xenopus stomach exhibits both glandular and aglandular regions and a distinct pyloric sphincter similar to that of the amniotic vertebrates (...).[uncertain][VHOG]
Term relations
- gastrointestinal sphincter
- sphincter muscle
- part of some pylorus
- adjacent to some duodenum
- continuous with some pyloric canal
- contributes to morphology of some pylorus