Medical
Dictionary
Thesaurus
Sentence Examples

Dictionary Home » Medical Definitions » internal sphincter muscle of anus

internal sphincter muscle of anus medical definition

noun

A smooth muscle ring formed by an increase of the circular fibers of the rectum, situated at the upper end of the anal canal.

link/cite print suggestion box

More from YD

internal pudendal artery

internal pudendal vein

internal respiration

internal secretion

internal spermatic artery

internal thoracic vein

internal traction

internal urethral opening

internal version

About YourDictionary Advertisers Contact Us Privacy Policy Terms of Use Help
© 1996-2013 LoveToKnow, Corp. All Rights Reserved. Audio pronunciation provided by LoveToKnow, Corp.