GD FIRST TIMERS CORE 2: Bones 2 (G-I)

Between the osteon rings there are living osteocytes which are imprisoned in bone.

There is a pipe—a cave—in the center of each osteon called the Haversian Canal. In this hollow tube there are blood vessels, lymph “pipes” and nerves.

The trabeculae bone in this picture are also called:

The pinpoint openings in the trabeculae spongy bone above lead to “caves” called canaliculi.

The gentle Clydesdale horse can weigh 4000-pounds. He has a massive number of caves in his bones!