tendinous arch of levator ani muscle

(redirected from arcus tendineus of pelvic diaphragm)

ten·di·nous arch of le·va·tor ani mus·cle

[TA]
a thickened portion of the obturator fascia on the medial aspect of the obturator internus (muscle) that extends in an arching line from the pubis posteriorly to the ischial spine and gives origin to part of the levator ani muscle.

ten·di·nous arch of le·va·tor a·ni mus·cle

(ten'di-nŭs ahrch le-vā'tŏr ā'nī mŭs'ĕl) [TA]
A thickened portion of the obturator fascia on the medial aspect of the obturator internus (muscle) that extends in an arching line from the pubis posteriorly to the ischial spine and gives origin to part of the levator ani muscle.