Bone Tissue - 09/29/2015

Question 1

Osteon (Harvesian system)

Answer 1

Onion like consists of lamellae, osteocytes in lacuna and central canal.

Question 2

Central Canal

Answer 2

Consists of VAN (Veins, arteries, nerves), Areolar Connective Tissue, osteoclasts and osteoblasts.

Question 3

Lamellae

Answer 3

Has the collagen fibers and osteocytes.

Question 4

Lacuna

Answer 4

Wraps an oestocyte.

Question 5

Osteocyte.

Answer 5

Mature cells and communicating signals.

Question 6

Canaliculus

Answer 6

Gap Junctions. Connections of osteocytes.

Question 7

Perforating Canals (Volkmann’s)

Answer 7

Connects central canals. Consists of VAN (Veins, arteries, nerves), Areolar Connective Tissue, osteoclasts and osteoblasts.

Question 8

Circumferential lamellae

Answer 8

lines the bone (around the osteons).

Question 9

Periosteum.

Answer 9

Piece of tissue wrapped around the bone (dense irregular connective tissue)

Question 10

Sharpey’s fibers

Answer 10

Stabs the circumferential lamellae (connected with periosteum). Calcified collagen fiber = it hardens.

Question 11

Endosteum

Answer 11

• Lines the spongy bone and medullary cavity
• Delicate membrane (Areolar connective tissue) on internal surfaces of bone.
• Also contains osteoblasts and osteoclasts