Skeletal System Axial Division Flashcards Preview

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Flashcards in Skeletal System Axial Division Deck (15):
1

What is the function of facial bones?

Protect and support the entrances to the digestive and respiratory tracts

2

What are the names of the superficial facial bones? (7)

Maxillae, palatine, nasal, zygomatic, lacrimal, vomer, and mandible

3

What is the function of the superficial facial bones?

Areas for the attachment of muscles that control facial expressions and assist in manipulation of food

4

What are sutures?

Boundaries between skull bones that are immovable.

5

What kind of tissue holds together bones at a suture?

Dense connective tissue

6

What are the 5 main sutures of the skull?

Lamboid, Sagittal, coronal, squamous, and frontonasal

7

Describe the lamboid suture

Arches across posterior surface of the skull, separating the occipital bone from the parietal bone. May contain sutural bones

8

Describe the Sagittal suture

Begins at the superior midline of the lamboid suture and extends anterior between the parietal bones of the coronal suture

9

Describe the Coronal Suture

Crosses the superior surface of the skull , separating the anterior frontal bone from the posterior parietal bones

10

What structures makes up the calvaria? (3)

Occipital bone, parietal bone, and frontal bone.

11

What is another name for calvaria?

Skullcap

12

Describe squamous suture

Marks the boundary between the temporal bone and parietal bone

13

Describe the frontonasal suture

Boundary between the superior aspects of the two nasal bones and the frontal bone

14

Foramen magnum

Large circular opening that connects the cranial cavity with spinal cavity enclosed by the vertebral column

15

What is the cranial cavity?

Enclosed by the cranial bones, it is a fluid filled chamber that cushions and supports brain