Axial Skeleton

Question 1

Function of the Axial Skeleton

Answer 1

support the brain, spinal cord, and organs of the ventral cavity

Question 2

Tuberosity

Answer 2

Large round projection, may be rough

Question 3

Crest

Answer 3

Narrow ridge of the bone

Question 4

Trochanter

Answer 4

Very large, blunt, irregular shaped process

Question 5

Line

Answer 5

Narrow ridge on the bone

Question 6

Tubercle

Answer 6

small rounded projection or process

Question 7

epicondyle

Answer 7

raised area on or above a condyle

Question 8

spine

Answer 8

sharp slender often pointed projection

Question 9

process

Answer 9

any bony prominence

Question 10

head

Answer 10

bony expansion carried on a narrow neck

Question 11

facet

Answer 11

smooth nearly flat articular surface

Question 12

condyle

Answer 12

rounded articular projection

Question 13

ramus

Answer 13

armlike bar of a bone

Question 14

fissure

Answer 14

narrow slitlike opening

Question 15

foramen

Answer 15

round oval opening through a bone

Question 16

Notch

Answer 16

indentation at the edge of a suture

Question 17

meatus

Answer 17

canal like passageway

Question 18

sinus

Answer 18

bone cavity filled with air, lined with mucous

Question 19

fossa

Answer 19

Shallow basin like depression in a bone

Question 20

How many vertebrae sections are there?

Answer 20

4

Question 21

How many bones in each section

Answer 21

Cervical: 7
Thoracic: 12
Lumbar: 5
Sacral: 5 fused together
Coccyx: 4 fused together

Question 22

True ribs

Answer 22

pairs 1-7, have their own costal cartilage

Question 23

False ribs

Answer 23

pairs 8-10, attach indirectly to the sternum

Question 24

Floating ribs

Answer 24

lats 2 pairs (11-12), no sternal attachment