coccygeus muscle

(redirected from coccygeal muscle)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

coc·cyg·e·us mus·cle

[TA]
striated pelvic muscle associated with the deep (pelvic) aspect of the sacrospinous ligament, forming part of the pelvic diaphragm; origin, spine of ischium and sacrospinous ligament; insertion, sides of lower part of sacrum and upper part of coccyx; action, with the sacrospinous ligament assists in support of pelvic floor, theoretically increasingly so when intra-abdominal pressures increase; nerve supply, third and fourth sacral.

coc·cyg·e·us mus·cle

(kok-sij-ē'ŭs mŭs'ĕl) [TA]
Origin, spine of ischium and sacrospinous ligament; insertion, sides of lower part of sacrum and upper part of coccyx; action, assists in support of pelvic floor, especially when intraabdominal pressures increase; nerve supply, third and fourth sacral.
Synonym(s): musculus coccygeus [TA] , coccygeal muscle, ischiococcygeus, musculus ischiococcygeus.

coccygeus

pertaining to the tail.

coccygeus muscle
forms part of the pelvic diaphragm; important in the cause and surgical repair of perineal hernia in dogs.