Veterinary Gross Anatomy

COVERINGS OF BONE

Periosteum

• It is the membrane, which invests the outer surface of the bone except its articular areas where it is covered by articular cartilage.
• The periosteum consists of an outer protective fibrous layer and an inner cellular osteogenic layer.

Endosteum

• It is a thin membrane lining the medullary cavity and larger haversian canals.
• It ia also called as medullary membrane.