Inferior anal nerves

Inferior anal nerves

Infobox Nerve
Name = PAGENAME
Latin = nervi anales inferiores, nervi rectales inferiores, nervus haemorrhoidalis inferior
GraySubject = 213
GrayPage = 968


Caption = The superficial branches of the internal pudendal artery. (Inferior anal nerves visible but not labeled.)


Caption2 = Pudendal nerve, its course through the lesser sciatic foramen, and branches, including inferior anal at bottom right.
Innervates = Rectum
BranchFrom =
BranchTo =
MeshName =
MeshNumber =
DorlandsPre = n_05
DorlandsSuf = 12565191
The Inferior rectal nerves (inferior anal nerves, inferior hemorrhoidal nerve) usually branch from the pudendal nerve but occasionally arises directly from the sacral plexus; they cross the ischiorectal fossa along with the inferior hemorrhoidal vessels, toward the anal canal and the lower end of the rectum, and is distributed to the Sphincter ani externus and to the integument around the anus.

Branches of this nerve communicate with the perineal branch of the posterior femoral cutaneous and with the posterior scrotal nerves at the forepart of the perineum.

ee also

* Inferior rectal artery


=Additional

External links

* [http://cis-ps2.osu-com.okstate.edu/hector/pelvis/InferiorRectalNervetr.htm Details] at Oklahoma State
* - "The Female Perineum: Contents of the Pudendal Canal"
* - "Inferior view of female perineum, branches of the internal pudendal artery."
* (NormanAnatomyFig|analtriangle3)
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