bones and joints

Question 1

give an example of where each type of cartilage is found

Answer 1

hyaline: trachea, larynx, ribs
fibrocartilage: intervertebral discs, joint capsules, ligaments
elastic: ear, epiglottis, larynx

Question 2

describe the form of an osteon

Answer 2

lamellae form a series of concentric rings around a central canal that holds small blood vessels

Question 3

name the three different cartilage types?

Answer 3

hyaline cartilage
elastic cartilage
fibrocartilage

Question 4

what does osteolysis help to regulate?

Answer 4

calcium and phosphate ions

Question 5

which medications are a risk factor for fractures? how/why?

Answer 5

corticosteroids (long term) - inhibits osteoblasts

antacids - reduce calcium absorption

Question 6

what is another name for a diarthrosis joint?

Answer 6

synovial joint

Question 7

what is the layer that surrounds a bone called?

Answer 7

periosteum (but not within joint cavities)

Question 8

what is the process that forms new bone matrix known as?

Answer 8

osteogenesis