Unit 1: Lecture 4 Self-study

Question 1

Functions of bone (4)

Answer 1

a. support of the body
b. movement (levers)
c. blood producers (from red bone marrow)
d. storage (Ca++, PO4)

Question 2

Bone shapes (6)

Answer 2

1. long (humerus)
2. short (carpals)
3. flat (cranium)
4. sesamoid (embedded within a tendon, e.g. patella)
5. wormian (bones in sutures of skull)
6. irregular (vertebrae)

Question 3

Types of bone development (2)

Answer 3

1. intramembranous ossification - s fibrous membrane, which forms intramembranous bone, as typified by the bones of the skull
2. endochondral ossification - Cartilage, which forms endochondral bone as typified by the long bones

Question 4

In adults, red marrow is found in…

Answer 4

sternum/ribs, iliac crest, vertebral bodies

Question 5

In adults, yellow marrow is found in…

Answer 5

long bones