Bone vessels and cartilage. In the human body at birth, there are over 270 bones, but many of these fuse together during development, leaving a total of 206 separate bones in the adult, not counting numerous small sesamoid bones. The largest bone in the body is the femur or thigh-bone, and the smallest is the stapes in the middle ear. The Greek word for bone is ὀστέον ("osteon"), hence the many terms that use it as a prefix – such as osteopathy. Bone is not uniformly solid, but consists of a flexible matrix (about 30%) and bound minerals (about 70%) which
Pubis (bone) Pubis (bone) In vertebrates, the pubic bone is the ventral and anterior of the three principal bones composing either half of the pelvis. It is covered by a layer of fat, which is covered by the mons pubis. It is divisible into a body, a superior ramus and an inferior ramus. In the female, the pubic bone is anterior to the urethral sponge. The left and right hip bones join at the pubic symphysis. The pubis is the lower limit of the suprapubic region. The body forms one-fifth of the acetabulum, contributing by its external surface both to the lunate