Skeletal Notes - Axial vs. Appendicular & Bones Notes pg. 113-115

Question 1

What is the Axial skeleton?

Answer 1

• Central axis of the body
• Skull, ribs, sternum, and vertebrae (80 bones)

Question 2

What is the Appendicular skeleton?

Answer 2

• Pectoral & pelvic girdles
• Bones of the arms, legs, pelvis, and shoulders (126 bones)

Question 3

Bone definition.

Answer 3

• a solid matrix of living cells and fibers surrounded by calcium deposits
• classified by their shape

Question 4

Shapes of bones
- S
- L
- I
- F
- S

Answer 4

• Long: longer than it is wide
• Short: roughly equal dimensions (L&W)
• Flat: thin & broad
• Irregular: complex shape
• Sesamoid (knee cap): embedded in tendons

Question 5

Bone terms
- C
- E
- P
- Sp
- T
- F
- Si

Answer 5

• Condyle: rounded knob
• Epicondyle: enlargement superior to conbyle
• Process: a projection
• Spine: sharp projection
• Tubercle: knob-like projection
• Foramen: passageway
• Sinus: a hollow area