Anatomy

Question 1

How many bones are in the human cranium?

Answer 1

22

Question 2

The cranium is divided into what two categories?

Answer 2

Neurocranium & Viscerocranium
#braincase&face

Question 3

Viscerocranium

Answer 3

the part of the cranium that makes up the face

Question 4

Neurocranium

Answer 4

the part of the cranium that encloses and protects the brain
#braincase

Question 5

Calvaria AKA

Answer 5

the dome
(the superior portion of the skull)

Question 6

What two portions of the cranium demarcate the cranial cavity?

Answer 6

the calvaria (the dome) and the base

Question 7

Name the sutures of the skull

Answer 7

Coronal suture (connects the frontal bone to the parietal bones) #crown

Sagittal Suture (connects the left and right sides of the skull) #midsaggital

Lambdoid Suture (connects the occipital and parietal bones) #lambda-shaped

Squamous Suture (connects the parietal and temporal bones)

Question 8

synarthrosis

Answer 8

immovably fixed joints connected by strong, fibrous connective tissue
(i.e. cranial sutures)

Question 9

craniosynostosis

Answer 9

the premature ossification of the fontanels

Question 10

Name the 6 Fontanels

Answer 10

• Posterior Fontanel
• Anterior Fontanel
• Mastoid Fontanel (Posterolateral)
• Sphenoid Fontanel (Anterolateral)

Question 11

Diploe refers to:

Answer 11

the spongy bone tissue in flat bones containing bone marrow and diploic veins

Question 12

Name the Bones of the Calvaria

Answer 12

Frontal Bone
Occipital Bone
Parietal Bones (2)
Temporal Bones (2)

Question 13

Name 4 Important Parts of the Frontal Bone

Answer 13

Supraciliary Arch (#eyebrowbone)

Supraorbital Notch/Foramen

Glabella (divot between eyebrows)

Frontal Processes
(articulate w/ zygomatic bone)

Question 14

Name the Bones Articulating w/ the Frontal Bone

Answer 14

Parietal Bones
Sphenoid
Zygomatic Bones
Nasal Bones
Lacrimal Bones

Question 15

Name the 4 Angles of the Parietal Bones

Answer 15

Frontal Angle
Sphenoid Angle
Mastoid Angle
Occipital Angle

Question 16

Name the 5 Parts of the Temporal Bone

Answer 16

Squamous
Zygomatic Process
Tympanic
Petromastoid (mastoid, styloid process, petrous)

Question 17

2 Important Things to Note on the Ethmoid Bone

Answer 17

• Crista Galli
• Cribriform Plate

Question 18

What bone is the Sella Turcia part of?

Answer 18

Sphenoid Bone

Question 19

What is the purpose of the Sella Turcica?

Answer 19

houses the pituitary gland

Question 20

Sella Turcica AKA

Answer 20

Turkish Saddle

Question 21

Optic nerves pass through the _____ ______ in the ________ bone.

Answer 21

Optic nerves pass through the optic canals in the Sphenoid bone.

Question 22

Check Bones AKA

Answer 22

Zygomatic Bones

Question 23

Maxilla AKA

Answer 23

Upper Jaw

Question 24

Fissure

Answer 24

openings in bone which are not entirely surrounded by bone structure

Question 25

Canals

Answer 25

openings larger than a foramen in length than in diameter