Deep transverse perineal muscle

Deep transverse perineal muscle
Muscles of the female perineum. (Transversus perinei visible at center right.)
Muscles of male perineum. (Transversus perinei visible at center right.)
Latin musculus transversus perinei profundus
Gray's subject #120 429
Origin inferior rami of the ischium
Insertion    its fellow of the opposite side
Artery
Nerve pudendal nerve
Actions Fixation of central tendon of perineum, support of pelvic floor, expulsion of semen in male and last drops of urine in both sexes[1]

The Transversus perinei profundus (or deep transverse perineal) arises from the inferior rami of the ischium and runs to the median line, where it interlaces in a tendinous raphé with its fellow of the opposite side.

It lies in the same plane as the Sphincter urethrae membranaceae; formerly the two muscles were described together as the Constrictor urethrae.

Contents

Additional images

Notes

  1. ^ Saladin (2003), Muscles of the Pelvic Floor, p 354

References

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

Perineum
Middle
Fascia

M: MUS, DF+DRCT

anat (h/n, u, t/d, a/p, l)/phys/devp/hist

noco(m, s, c)/cong(d)/tumr, sysi/epon, injr

proc, drug (M1A/3)