The Axial Skeleton

Front

What are the three regions of the axial skeleton?

Back

Skull, Vertebral column, Bony thorax

Front

What are the two sets of bones that form the skull?

Back

Cranium and Facial bones

Front

What is the function of the cranium?

Back

Protects the brain and is the site of attachment for head and neck muscles.

Front

How are the bones of the skull joined together?

Back

All but one are joined by sutures, which are interlocking, immovable joints.

Front

Which bone in the skull is attached by a movable joint?

Back

The mandible (jawbone).

Front

How many cranial bones are there and what are they?

Back

There are 8 cranial bones: frontal, two parietal, two temporal, occipital, sphenoid, and ethmoid.

Front

What is the function of the frontal bone?

Back

Forms the anterior portion of the cranium, bony projections under the eyebrows, and the superior part of each eye’s orbit.

Front

What are the major associated sutures of the parietal bones?

Back

Coronal suture, Sagittal suture, Lambdoid suture, Squamosal or squamous suture.

Front

What is the function of the temporal bones?

Back

Located at the sides of the head, temple region, and include structures like the Zygomatic Process and Mastoid process.

Front

What are the major markings of the occipital bone?

Back

Foramen magnum and occipital condyles.