Lab 3 - Skull Features

Question 1

Frontal Bone

Answer 1

forms anterior/superior skull and top of eye sockets

Question 2

Parietal Bone

Answer 2

posterior/superior skull
-left/right

Question 3

Temporal Bone

Answer 3

lateral skull
-“temples”
-right and left

Question 4

Occipital Bone

Answer 4

posterior and inferior skull
-extends to bottom of skull

Question 5

Ethmoid Bone

Answer 5

small bony plate in the skull posterior to the frontal bone
-medial to eyes; separates

Question 6

Foramen Magnum

Answer 6

large hole on inferior skull
-within the occipital bone

Question 7

Coronal Suture

Answer 7

joint between the frontal bone and parietal bone

Question 8

Sagittal Suture

Answer 8

joint between the two parietal bones
-split equally left/right

Question 9

Anterior Fontanel

Answer 9

cartilage between the incomplete bones
-“soft spot”
-allows for stretching and movement during birth and brain expansion

Question 10

Zygomatic Bone

Answer 10

cheek bones

Question 11

Maxilla

Answer 11

upper jaw

Question 12

Nasal Bone

Answer 12

bridge of nose

Question 13

Mandible

Answer 13

lower jaw

Question 14

Paranasal Sinus

Answer 14

air-filled spaces located in the bones of the skull

Question 15

Frontal Suture

Answer 15

joint between the two frontal bone