Intersphincteric groove
| intersphincteric groove | |
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The interior of the anal canal and lower part of the rectum. (Line not shown but region is visible.)
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| Details | |
| Latin | sulcus intersphinctericus |
| Identifiers | |
| TA | Lua error in Module:Wikidata at line 247: invalid escape sequence near '"^'. |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 247: invalid escape sequence near '"^'.|edit on Wikidata]]]
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Hilton's white line is a boundary in the anal canal.[1]
Below it, lymphatic drainage is to the superficial inguinal nodes.[2]
Hilton's white line is slightly below the pectinate line, a landmark for the intermuscular border between internal and external anal sphincter muscles.
This line represents the transition point from non-keratinized stratified squamous epithelium of the anal canal to keratinized stratified squamous epithelium of the anus & perianal skin.[3]
In live persons the color of the line is white, hence the name.
It is named for John Hilton.[4]
See also
References
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