Lab 3 - Cranial bones

Question 1

Occipital bone

Answer 1

base of skull

Question 2

Occipital condyles

Answer 2

articulate with the first cervical vertebrae

Question 3

Foramen magnum

Answer 3

connects cranial and spinal cavities

Question 4

Parietal bones (left + right)

Answer 4

middle of skull on either side

Question 5

Frontal bone

Answer 5

covers forehead

Question 6

Ethmoid

Answer 6

connects forehead to nose

forms orbital wall

Question 7

Sphenoid

Answer 7

behind ethmoid

articulates with every other bone in the cranium

Question 8

Temporal bones (left + right)

Answer 8

side of head where ears connect

Question 9

Supraorbital margins

Answer 9

mark the superior limits of the orbits

Question 10

Orbits

Answer 10

eye sockets

Question 11

Superciliary arches

Answer 11

support the eyebrows

Question 12

Zygomatic arch

Answer 12

cheekbone

formed from the zygomatic process of the temporal bone and the temporal process of the zygomatic bone

Question 13

External acoustic meatus

Answer 13

where sound enters the ear

Question 14

Mastoid process

Answer 14

attachment site for muscles that extend or rotate the head

Question 15

Optic canal

Answer 15

optic nerve passes through

Question 16

Sella turcica

Answer 16

place where pituitary gland sits

Question 17

Pterygoid processes

Answer 17

attachment site for muscles that move jaw and soft palate

Question 18

Crista galli

Answer 18

attachment site for fibrous membrane of brain

Question 19

Cribriform plates

Answer 19

roof of nasal cavity

olfactory nerves pass through

Question 20

Perpendicular plate

Answer 20

nasal septum