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muscles of anal triangle


Definition: voluntary muscles of region posterior to perineal body and transverse perineal muscles and anterior to the inferior margins of gluteus maximus muscles; includes levator ani (including puborectalis), and all portions of the external anal sphincter.

Synonym(s): musculi regionis analisTA

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.