Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Pylorus MeSH Descriptor Data 2026


MeSH Heading
Pylorus
Tree Number(s)
A03.556.875.875.799
Unique ID
D011708
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011708
Scope Note
The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen.
Entry Term(s)
Pyloric Sphincter
NLM Classification #
WI 387
See Also
Gastric Emptying
Date Introduced
1966/01/01
Last Updated
2004/07/07
Pylorus Preferred
Pyloric Sphincter Narrower
page delivered in 0.139s