Inferior anal nerves 5438619 211525408 2008-05-10T20:29:42Z Theresa knott 8257 Reverted edits by [[Special:Contributions/88.78.210.240|88.78.210.240]] ([[User talk:88.78.210.240|talk]]) to last version by Mikael Häggström {{Infobox Nerve | Name = {{PAGENAME}} | Latin = nervi anales inferiores, nervi rectales inferiores, nervus haemorrhoidalis inferior | GraySubject = 213 | GrayPage = 968 | Image = Gray542.png | Caption = The superficial branches of the internal pudendal artery. (Inferior anal nerves visible but not labeled.) | Image2 = Pudendal nerve.svg | 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]]. ==See also== * [[Inferior rectal artery]] ==Additional images== <gallery> Image:Gray405.png|The perineum. The integument and superficial layer of superficial fascia reflected. Image:Gray837.png|Sacral plexus of the right side. (Hemorrhoidal branch of pudic labeled at bottom right.) </gallery> ==External links== * [http://cis-ps2.osu-com.okstate.edu/hector/pelvis/InferiorRectalNervetr.htm Details] at [[Oklahoma State]] * {{SUNYAnatomyLabs|41|08|01|02}} - "The Female Perineum: Contents of the Pudendal Canal" * {{SUNYAnatomyFigs|41|04|10}} - "Inferior view of female perineum, branches of the internal pudendal artery." * {{NormanAnatomy|perineum}} ({{NormanAnatomyFig|analtriangle3}}) * {{DartmouthHumanAnatomy|figures/chapter_32/32-2.HTM}} * {{DartmouthHumanAnatomy|figures/chapter_32/32-3.HTM}} {{Gray's}} {{neuroscience-stub}} {{Lumbosacral plexus}} [[Category:Nervous system]] [[es:Nervios anales inferiores]]