Lab 3: Axial Skeleton

Question 1

what are the 8 cranial bones? (6 unique)

Answer 1

frontal, parietal(2), temporal(2), occipital, sphenoid, ethmoid

Question 2

what are the 14 facial bones? (8 unique)

Answer 2

mandible, maxilla(2), palatine(2), zygomatic(2), nasal(2), lacriminal(2), vomerinferior, nasal conchae(2)

Question 3

what are the 6 middle ear bones? (3 unique)

Answer 3

malleus(2), incus(2), stapes(2)

Question 4

what is the throat bone?

Answer 4

hyoid bone

Question 5

what are the 4 bones of the shoulder girdle? (2 unique)

Answer 5

scapula or shoulder blade(2), clavicle or collarbone(2)

Question 6

what are the 25 bones of the thorax? (2 unique)

Answer 6

sternum, ribs(24)

Question 7

what are the 24 bones of the vertebral column? (3 unique)

Answer 7

cervical vertebrae(7), thoracic vertebrae(12), lumbar vertebrae(5)

Question 8

what is the diaphysis of a bone?

Answer 8

in long bones, this is the middle, longest portion of the bone

Question 9

what is the epiphysis of a bone?

Answer 9

in long bones, the end portions that articulate with other bones

Question 10

what is periosteum?

Answer 10

surrounds the outside of bone, composed of dense irregular connective tissue. provides nourishment and sensation to bone

Question 11

what is endosteum?

Answer 11

covers trabeculae inside bone and lines bone cavities