Periosteum

Definition

The periosteum is a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints. It serves as a protective layer for bones and provides a channel for the blood supply and nutrients needed for bone health and repair.

Related terms

Osteoblasts: Cells that are responsible for bone formation.

Compact Bone: A dense layer of bone tissue that gives bones their strength, rigidity, and solid appearance.

Osteoclasts: Cells that break down old or damaged bone tissue to facilitate growth and healing