Top anatomy diagrams including images of human anatomy systems, human body, organs, bones and muscles
The pelvis consists of the bony pelvic girdle, the muscular and ligamentouspelvic floorPelvic floorSoft tissue formed mainly by the pelvic diaphragm, which is composed of the two levator ani and two coccygeus muscles. The pelvic diaphragm lies just below the pelvic aperture (outlet) and separate...
Sacrum, wedge-shaped triangular bone at the base of the vertebral column, above the caudal (tail) vertebrae, or coccyx, that articulates (connects) with the pelvic girdle. In humans it is usually composed of five vertebrae, which fuse in early adulthood.