Lecture 4- The Axial Skeleton

Question 1

The axial skeleton consists of

Answer 1

• skull
• vertebral column
• thoracic cage

Question 2

Name the 4 sutures marking the articulations of the skull bones

Answer 2

1. Coronal suture: between parietal bones and frontal bone
2. Sagittal suture: between r and l parietal bones
3. Lambdoid suture: between parietal bones and occipital bones
4. Squamous suture: between parietal and temporal bones on each side of the skull

Question 3

What are the 8 facial bones

Answer 3

Mandible
Maxillary bones-2
Zygomatic bones-2
Nasal bones-2
Lacrimal bones-2
Palatine bones-2
Vomer
Inferior nasal conchae-2

Question 4

What is the largest strongest bone of the face?

Answer 4

Mandible.

Temporomandibular joint: only freely movable joint in the skull

Question 5

Define pedicle of vertebrae

Answer 5

The pedicle is a small area of bone that is the first to extend out from the back of the vertebral body

Question 6

What are the 3 portions the sternum

Answer 6

Manubrium
Body of sternum
Xiphoid process