pertaining to the coccyx.
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.
Etymology: Gk, kokkyx, cuckoo's beak
one of two muscles in the pelvic diaphragm. Stretching across the pelvic cavity like a hammock, it is a triangular sheet of muscle and tendinous fibers. It acts to draw the coccyx ventrally, helping to support the pelvic floor. Compare levator ani.
pertaining to the tail.
forms part of the pelvic diaphragm; important in the cause and surgical repair of perineal hernia in dogs.