chapter 6 part 1

Question 1

axial skeleton

Answer 1

central axis of the body
-skull
-vertebral column
-thoracic cage (sternum + ribs)

Question 2

protection

Answer 2

protects dorsal (brain and spinal cord) and ventral (thoracic abdomen…) body cavities
-attachment sites for muscles that adjust the head neck and trunk
-move thoracic cage for respiration
-stabalaize appendicular skeleton

Question 3

skull

Answer 3

face (14 bones), cranium (8) bones, associated bones (7)

Question 4

lambdoid suture

Answer 4

suture between the occipital bone and the two parietal bones (superior skull)

Question 5

sagittal suture

Answer 5

between the two parietal bones

Question 6

external occipiatl protuberance

Answer 6

bulge midway of the occipital bone

Question 7

sutures

Answer 7

connected by connective tissues between the bones

Question 8

conreal suture

Answer 8

between the frontal bone and the two parietal bones

Question 9

temporal bones

Answer 9

mastoid process, external acoustic meatus, zygomatic arch, and styloid process

Question 10

frontal bone

Answer 10

supra-orbital foramen

Question 11

zygomatic bone

Answer 11

zygomaticofacial foramen

Question 12

maxilla

Answer 12

infra-orbital foramen

Question 13

mandible (anterior view)

Answer 13

mental protuberance and mental foramen

Question 14

nasal bones (anterior view)

Answer 14

frontonasal suture

Question 15

inferoir nasal concha

Answer 15

seperate right and left nostril near the cartilage (possibly behind it)

Question 16

concha

Answer 16

swirls air, warms and moistens it

Question 17

nasal septum

Answer 17

-vomer
-perpendicular plate of the ethmoid

Question 18

occipital bone

Answer 18

foramen magnum and occipital condyles

Question 19

internal nares

Answer 19

below palatine, is a continuation fo the volmer

Question 20

occipital condyle

Answer 20

rests on the cervical vertabrae
-allows you to roll your head

Question 21

foramen magnum

Answer 21

where the spinal cord comes in

Question 22

palatine process of the maxilla (anterior palatine)

Answer 22

incisive fossa and incisive foramen (formamen is insife the incisive fossa)

Question 23

palatine bone (posterior palatine)

Answer 23

greater palatine foramen and lesser palatine foramen

Question 24

temporal bone

Answer 24

foramen ovale
-internal acoustic meatus and petrous portion of the temporal bone (organs for balance/ hearing (anvil))

Question 25

ethmoid bones

Answer 25

crista galli, cribriform plate and cribiform plate foramina (little holes= olfactory nerves for sense of smell)

Question 26

Sphenoid bone

Answer 26

sella turcica where the pituitary gland rests (pituitary gland sits in the fossa for protection) (hypophyseal fossa)
-also has foramen ovale
-and optic canals (canal for the nerve)

Question 27

sinuses

Answer 27

frontal sinus, nasal sinus, sphenoid sinus

Question 28

foramne magnum

Answer 28

opening for the spinal cord

Question 29

occipital condyles

Answer 29

first cervical vertebra

Question 30

hypoglossal canals

Answer 30

opening for the hypoglossal nerve that innverates the tongue