Sacrum (Os sacrum) | Pelvic bones
Sacrum (Os sacrum) The sacrum is formed by the five fused sacral vertebrae and the ossified intervertebral discs between them. The downward point (caudal) of the sacrum is called apes ossis sacri, the most prominent point at the base of the sacrum is called promontorium. The sacral canal (Canalis sacralis) represents the continuation of the … Sacrum (Os sacrum) | Pelvic bones