Bones & Bone Tissue - Anatomy & Physiology
Terms in this set (20)
Osteoblasts are cells that build bone.
Osteoclasts are cells that break down bone.
Osteocytes are cells that maintain bone.
Osteogenic cells are stem cells that become osteoblasts.
The osteon is the structural unit of compact bone.
The central canal contains blood vessels and nerves.
Lacunae are small spaces that contain osteocytes.
Canaliculi are tiny channels connecting lacunae.
Concentric lamellae are rings of bone matrix surrounding the central canal.
The organic bone matrix is made of collagen fibers.
The inorganic bone matrix consists of calcium phosphate salts.
Collagen fibers give bone its flexibility.
Calcium phosphate salts give bone its hardness.
Compact bone is the dense outer bone made of osteons.
Spongy bone is the internal bone containing trabeculae.
Trabeculae are lattice-like structures in spongy bone.
Red bone marrow functions in blood cell production.
Diaphysis is the shaft of a long bone.
Epiphysis is the end of a long bone.
Periosteum is the outer covering of bone.