4.3 Physiology of the Skeletal System: Bone Development and Cells

Question 1

What is bone?

Answer 1

a living tissue that continually renews itself

Question 2

What does a longitudinal cross section of a long bone look like?

Answer 2

medullary cavity filled with bone marrow

Question 3

What is yellow bone marrow?

Answer 3

fat storage tissue

Question 4

Where is yellow bone marrow mainly found?

Answer 4

long bones

Question 5

What is red bone marrow?

Answer 5

produce red blood cells

Question 6

Which bone marrow are newborns born with?

Answer 6

red bone marrow

Question 7

Where is red bone marrow mainly found?

Answer 7

short and flat bones

Question 8

What is the diaphysis of bone?

Answer 8

cetner length of the bone

Question 9

What surrounds the medullary cavity of bone?

Answer 9

layer of spongy bone

Question 10

What is compact bone?

Answer 10

solid outer layer of bone

Question 11

What are epiphysis of bone?

Answer 11

proximal and distal ends of each long bone

Question 12

What is articular cartilage?

Answer 12

helps cushion joints and enable them to move freely

Question 13

What are osteons also known as?

Answer 13

haversions systems

Question 14

Where are osteons founds?

Answer 14

compact bone

Question 15

What do osteons contain?

Answer 15

osteocytes in lacunae which are arranged in concentric circles around the center canals

Question 16

What are lacunae?

Answer 16

tiny chambers found in osteons that contain osteocytes

Question 17

What are osteocytes?

Answer 17

bone cells

Question 18

What does the center canal of bone contain?

Answer 18

blood vessels and nerves

Question 19

What separates lacunae?

Answer 19

matrix that contains protein fibers of collagen and mineral deposits of calcium and phosphorus salts

Question 20

Where is compact bone usually located?

Answer 20

surface of bone surrounding interior of spongy bone