What bone cells are found in the periosteum?

What bone cells are found in the periosteum?

The periosteum consists of dense irregular connective tissue. It is divided into an outer “fibrous layer” and inner “cambium layer” (or “osteogenic layer”). The fibrous layer contains fibroblasts, while the cambium layer contains progenitor cells that develop into osteoblasts.

Is bone marrow found in the periosteum?

Cells derived from the periosteum are always found at the periosteal surface, whereas cells derived from the endosteum and the bone marrow are always found at the endosteal surface or within the marrow cavity, respectively.

What does periosteum supply bone cells with?

The outer layer of the periosteum is mostly made of elastic fibrous material, such as collagen. It also contains blood vessels and nerves. The blood vessels of the periosteum contribute to the blood supply of the body’s bones. They can pass into the dense and compact layer of bone tissue below, called the bone cortex.

Can bone cells reproduce?

IGFs accumulate in the bone matrix and are released during the process of bone remodeling by osteoclasts. IGFs stimulate osteoblastic cell replication — in other words, they cause the osteoblasts to divide, forming new cells. They may also induce differentiation.

What kind of cells are found in the periosteum?

The inner layer of the periosteum contains osteoblasts (bone-producing cells) and is most prominent in fetal life and early childhood, when bone formation is at its peak. In adulthood these cells are less evident, but they retain their functional capacities and are vital to the constant remodeling of bone that goes on throughout life.

Why are osteoblasts important to the periosteum?

Periosteum. The inner layer of the periosteum contains osteoblasts (bone-producing cells) and is most prominent in fetal life and early childhood, when bone formation is at its peak. In adulthood these cells are less evident, but they retain their functional capacities and are vital to the constant remodeling of bone that goes on throughout life.

What makes up the fibrous periosteum of bone?

This connective tissue is made up of two different layers: The fibrous periosteum is the outer layer furthest away from the bone. The cells in this layer are densely packed, and it contains lymphatics, blood vessels, and nerve endings.

Where do the blood vessels of the periosteum go?

The blood vessels of the periosteum contribute to the blood supply of the body’s bones. They can pass into the dense and compact layer of bone tissue below, called the bone cortex.