Definition of pelvic girdle
: a bony or cartilaginous arch that supports the hind limbs of a vertebrate
First Known Use of pelvic girdle
Medical Definition of pelvic girdle
: a bony or cartilaginous arch that supports the hind limbs of a vertebrate, that corresponds to the shoulder girdle of the forelimbs but is usually more rigid and firmly attached to the spinal column, and that consists in lower forms of a single cartilage which is replaced in higher forms including humans by paired hip bones articulating solidly with the sacrum dorsally and with one another at the pubic symphysis
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