Anatomy Review- Skull

Front 1

Name the 5 layers of the scalp

Back 1

S.C.A.L.P....
1. Skin
2. Connective Tissue -(dense fibrous connective tissue surrounding arteries and nerves)
3. Apneurosis (thin tendinous sheet, tightly attached to skin and connective tissue above)
4. Loose Areolar tissue (loosely connects epicranial aponeurosis to periosteum of skull)
5. Pericranium-( periosteum (connective tissue layer) of outer side of skull)

Front 2

Identify the major cranial bones:

Back 2

8 Bones fused together in the adult:
1-frontal bone
2-parietal bones
2-temporal bones
1-sphenoid bone
1-ethmoid bone
1- occipital bone
...also: Maxilla, Mandible, lacrimal, nasal, & zygomatic

Front 3

Identify the major sutures of the cranium

Back 3

Coronal (b/t frontal & parietal)
Sagittal (b/t parietal midline)
Lambdoid (b/t occipital & parietal)

Front 4

Which arteries supply blood to the anterior scalp?

Back 4

Supratrochlear and Supraorbital arteries

Front 5

Which artery supplies blood to the posterior scalp?

Back 5

Occipital artery

Front 6

What area of the sphenoid bone contains the pituitary gland?

Back 6

Sella Turcica

Front 7

Which vein has the potential to spread infection from the face or scalp to the brain and why?

Back 7

Emissary vein-- because it does not contain valves

Front 8

What nerves innervate the anterior scalp?

Back 8

Supratrochlear and Supraorbital nerves

Front 9

What 2 muscles have alternate actions of pulling the scalp forward and backward?

Back 9

Frontalis and occipitalis

Front 10

Is the human skull an axial or appendicular skeleton?

Back 10

Axial skeleton

Front 11

Name the 8 cranial bones.

Back 11

1-Frontal • 2- Parietal • 2-Temporal • 1-Occipital • 1 Sphenoid • 1-Ethmoid

Front 12

Name the suture formed by the parietal and occipital bones.

Back 12

The Lambdoidal Suture

Front 13

Which cranial bone would be associated with mastoiditis?

Back 13

The Temporal bone

Front 14

Name the spongy, cranial bone and where is it located?

Back 14

The Ethmoid bone, located between the eyes

Front 15

Which cranial bone houses the Foramen Magnum?

Back 15

The Occipital bone

Front 16

What are the major fonatanels of the infant skull?

Back 16

Frontal Fontanel
Mastoidal Fontanel
sphenoidal Fontanel

Front 17

What is an appendicular skeleton?

Back 17

bones that are appended to axial skeleton, upper and lower extremities.

Front 18

What is the axial skeleton?

Back 18

bones that form upright axis of the body, skull, hyoid, vertebral column, sternum, and ribs