LAB - Bone

Question 1

bone is composed of;

Answer 1

• cells: osteoblasts (synthesizes), -clasts (resorbs), -cytes (maintains bone matrix)
• matrix: fibers, collagen, ground substance (acidic aminoglycans
• minerals: calcium hydroxyapatite

Question 2

this gives bone its characteristic resilience and hardness

Answer 2

association of calcium hydroxyapatite with collagen fibers

Question 3

both primary and secondary bone have same structural elements but in mature bone…

Answer 3

the collagen fibers are organized into bone lamellas (plates)

Question 4

lamellar bone classification

Answer 4

• dense or compact
• spongy or cancellous
• BOTH have sane histologic structure, but in cancellous bone, there are cavities within the tissue**

Question 5

two types of bone marrow

Answer 5

red and yellow