Bones (Bone cells)

Question 1

Define osteoblasts

Answer 1

Bone forming cells

Question 2

Define osteoclasts

Answer 2

Bone destroying cells

Question 3

Define Osteocytes

Answer 3

Mature osteoblasts that have become surrounded by matrix and now lie within lacunae

Question 4

Define osteon

Answer 4

Found in compact bone, osteons cover/ protect living bone cells (osteocytes)

Question 5

T/F: Osteons stop the delivery of nutrients and the removal of waste products

Answer 5

False; they permit the delivery of nutrients and the removal of waste products

Question 6

Define central canals

Answer 6

Canals that run lengthwise through bones and are surrounded by osteons

Question 7

Define lamellae

Answer 7

Concentric, cylinder-shaped layers of calcified matrix

Question 8

Define lacunae

Answer 8

Small spaces containing tissue fluid in which bone cells are located between hard layers of lamella

Question 9

Define canaliculi

Answer 9

Small canals radiating in all directions from the lacunae and connecting them to each other and to the Haversian canal