Anococcygeal body

The anococcygeal body (anococcygeal ligament, or anococcygeal raphe) is a fibrous median raphe in the floor of the pelvis, which extends between the coccyx and the margin of the anus. It is composed of fibers of the levator ani muscle which unite with the muscle of the opposite side, muscle fibres from external anal sphincter and fibrous connective tissue.[1]

Anococcygeal body
Left levator ani seen from within (anococcygeal body labeled at lower left)
LatinCorpus anococcygeum, ligamentum anococcygeum
Anatomical terminology

The fibers of the levator ani pass downward and backward to the middle line of the floor of the pelvis; the most posterior are inserted into the side of the last two segments of the coccyx; those placed more anteriorly unite with the muscle of the opposite side, in the anococcygeal body.

See also


This article incorporates text in the public domain from page 423 of the 20th edition of Gray's Anatomy (1918)

  1. Daftary, Shirish; Chakravarti, Sudip (2011). Manual of Obstetrics, 3rd Edition. Elsevier. pp. 1-16. ISBN 9788131225561.

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