One of the semi-lunar transverse folds of the rectal wall that protrude into the anal canal. [ http://en.wikipedia.org/wiki/Houston_valve ]
Synonyms: horizontal fold of rectum transverse rectal fold
This is just here as a test because I lose it
Term information
database
cross reference
- FMA:15722
- SCTID:259687002
- Wikipedia:Houston_valve
- UMLS:C0227403
- NCIT:C33807
function notes
Their use seems to be to support the weight of fecal matter, and prevent its urging toward the anus, which would produce a strong urge to defecate