Bones of the pelvis
The pelvic skeleton is composed of the following bones:
The three bones fuse together during puberty and ossify around age 25. The left and right hip bones join in the pubic symphysis.
- Sacrum (read more)- a triangular-shaped bone at the base of the spine, which is formed by 5 sacral vertebrae that are fused with each other (it happens between ages 18 to 30)