skull bones and bony markings

Question 1

• in the midline of the cranium
• occurs where the left and right parietal bones meet superiorly

Answer 1

sagittal suture

Question 2

• frontal plane
• where the parietal bones meet the frontal bone anteriorly

Answer 2

coronal suture

Question 3

• where a parietal bone and temporal bone meet
• lateral aspect of the skull

Answer 3

squamous suture

Question 4

• where the parietal bones meet the occipital bone posteriorly
• v shape

Answer 4

lambdoid suture

Question 5

• continuous with the lambdoid suture
• where the occipital bone and mastoid portion of the temporal bone meet

Answer 5

occipitomastoid suture

Question 6

• forms the forehead, superior part of orbit, floor of anterior cranial fossa

Answer 6

frontal bone

Question 7

• forms superior and lateral aspects of the skull

Answer 7

parietal bone

Question 8

• form the inferolateral parts of the skull
• connected to the parietal bone by the squamous suture

Answer 8

temporal bone

Question 9

• most posterior bone of the cranial case
• connected by lambdoid and occipitalmastoid sutures

Answer 9

occipital bone

Question 10

• posterior to the eyes, inferior to the frontal bone
• bat-shaped keystone bone
• connects all the bones of the skull

Answer 10

sphenoid bone

Question 11

• forms the nasal cavity and septum
• the AC unit of the face
• high surface area covered with mucus

Answer 11

ethmoid bone

Question 12

• two small bones that form the bridge of the nose

Answer 12

nasal bone

Question 13

• cheek

Answer 13

zygomatic bone

Question 14

• each forms part of the medial orbit in between the maxilla and ethmoid
• tear ducts

Answer 14

lacrimal bone

Question 15

• form the upper jaw and parts of the hard palate, nasal cavity, and orbits
• articulates with everything but the mandible

Answer 15

maxilla bone

Question 16

• lower jaw bone
• articulates with the temporal bone

Answer 16

mandible bone

Question 17

• holds the pituitary gland
• “saddle”

Answer 17

sella turcica

Question 18

-connects cheekbone with temporal bone
- bridgelike projection that articulates with the cheekbone

Answer 18

zygomatic process

Question 19

• where the brain attaches to the spinal cord

Answer 19

foramen magnum

Question 20

• anterior to the foramen magnum

Answer 20

occipital condyles

Question 21

• posterior to the foramen magnum

Answer 21

external occipital protuberance

Question 22

• located at the back of the nasal cavity
• forms the posterior hard palate, small part of the nasal cavity, part of the orbit

Answer 22

palatine bone

Question 23

• thin, blade-shaped bone that forms in the inferior nasal septum

Answer 23

vomer bone