Anatomy 5 - The Skull Flashcards Preview

Second Year - Anatomy CA21007 > Anatomy 5 - The Skull > Flashcards

Flashcards in Anatomy 5 - The Skull Deck (71)
Loading flashcards...
1

Functions of the skull

Support and protect; the brain, cranial nerves, organs of special sense, beginning of respiratory and alimentary tract.

2

Bones of the neurocranium

Frontal, parietal, occipital, temporal, ethmoid and sphenoid

3

Bones of the viscerocranium

Nasal, lacrimal, maxilla, mandible, zygomatic, hyoid, palatine, inferior conchae and the vomer

4

What does the neurocrainium house

The brain

5

What does the viscerocranium house

Soft tissue and it also allows for attachment of the muscles of facial expression

6

What is within the upper viscerocranium

The orbits and the nose

7

What is within the lower viscerocranium

The mandible and the hyoid

8

Characteristics of the hyoid

It doesn't articulate with any other bones and is fully embedded in soft tissue

9

What bone forms most of the back wall of the orbit

The sphenoid

10

What does the sphenoid articulate with

The occipital

11

What does the parietal articulate with

The frontal, occipital, temporal and sphenoid

12

What bone makes up the inner medial wall of the orbit

The ethmoid

13

What are cranial sutures

Articulation between bones of the cranium which are initially open but may fuse with time

14

Where does the coronal suture sit

Between the frontal and parietal bones

15

What suture splits the skull anteriorly and posteriorly

The coronal suture

16

Where does the sagittal suture cut

It runs between the two parietals

17

Describe the squamosal suture

It is flat, runs along the temporal and parietal and the bones overlap

18

Where is the metopic suture

Between the left and right frontal (only present in children)

19

If the metopic suture is still present in adults it is known as

A retained metopic suture

20

Where does the basilar suture cut

Between the occipital and sphenoid bones

21

When does the basilar suture fuse

Between 16 and 18 years old

22

Where are the para-nasal sinuses found

On either side of your nose

23

Where is the maxillary sinus

At the top of the head

24

What is the characteristic of the frontal sinus

It has a unique pattern

25

Where is the sphenoid sinus located

Just below the pituitary

26

What do the eyes sit in

The orbits

27

How many bones make up the orbits

Seven

28

What is in the extra space in the oribit

Fat

29

Movement of the eye is controlled by

Six extrinsic muscles

30

What are fontanelles

Fibrous tissue separations between the flat bones of the neurocranium