Bone + bone shapes and markings

Question 1

Name the five bone shapes and give an example for each.

Answer 1

1. Long: greater in length than width. Humerus
2. Short: Cube shaped. Wrist
3. Flat: Thin, 2 layers of compact bone enclosing spongy. Sternum
4. Irregular: Complex shapes. Vertebra
5. Sesamoid: sesame seed shaped. Patella

Question 2

What is a bone marking?

Answer 2

A structural feature adapted for a specific function

Question 3

Name the 2 types of bone markings and their function.

Answer 3

1. Depression/opening: participate in joints or allow passage of soft tissue
2. Processes: projections that help form joints or serve as an attachment point for CT

Question 4

Where is the hyoid bone and why is it unique?

Answer 4

Neck, does not articulate with any other bone but is suspended by ligament and muscle

Question 5

What is the main function of the axial skeleton?

Answer 5

Protect organs

Question 6

Frontal, parietal, temporal, occipital, sphenoid and ethmoid are all bones of the what?

Answer 6

Cranial