Module 6 and 7

Immature bone cells stimulated by Calcitonin from the Thyroid gland

• Osteoblast

• Osteocyte

• Osteoclast

Mature bone cells that maintain the bone matrix

• Osteoblast

• Osteocyte

• Osteoclast

Very large multinucleated cells derived by the fusion in bone of several blood—derived monocytes

• Osteoblast

• Osteocyte

• Osteoclast

bone formed from a connective tissue membrane

occurs only in the bones of the skull and clavicles

• intramembraneous

• endochondrial

bone formed from hyaline catilage

occurs in all the other bones in the body

• intramembraneous

• endochondrial

Contains specialized cells

Produces a solid matrix of calcium salt deposits

Dense, supportive connective tissue

• Bone

• Cartilage

Covers bones at joints; has no perichondrium

Growth

• Bone

• Cartilage

Bones are inadequately mineralized causing softened, weakened bones

• Osteomalacia

• Rickets

• Osteoporosis

Bones of children are inadequately mineralized causing softened, weakened bones

• Osteomalacia

• Rickets

• Osteoporosis

Group of diseases in which bone reabsorption outpaces bone deposit

• Osteomalacia

• Rickets

• Osteoporosis