The Skull

22

How many bones make up the skull?

8

How many cranial bones are there?

cranial bones

surround and protect the brain

14

How many facial bones are there?

facial bones

Make up the structure of your face

facial bones

provide openings for air and food

facial bones

provide a place for muscles of facial expression to attach

frontal bone

single bone

frontal bone

Forms the forehead

frontal bone

front wall of cranium

frontal bone

temporal bones

pair of bones

temporal bones

bottom and side walls of cranium

temporal bones

parietal bones

pair of bones

parietal bones

top and side walls of cranium

parietal bones

sphenoid bone

single bone

sphenoid bone

found deep in the cranium

sphenoid bone

shaped like a butterfly

sphenoid bone

“keystone” bone- joints with almost every other skull bone

ethmoid bone

single bone

ethmoid bone

found deep in the cranium

ethmoid bone

makes up much of the nasal cavity

occipital bone

single bone

occipital bone

back and bottom walls of the cranium

sphenoid bone

ethmoid bone

occipital bone

nasal bones

pair of bones

nasal bones

form the bridge of the nose

nasal bones

what breaks when the nose is broken

nasal bones

lacrimal bones

pair of bones

lacrimal bones

smallest facial bones

lacrimal bones

how tears leave the eye

lacrimal bones

maxialle

pair of bones

maxillae

forms much of the upper jaw, hard palate, floor of the orbit, and nose

maxillae

palatine bones

pair of bones

palatine bones

posterior 1/3 of hard palate

palatine bones

inferior nasal conchae

pair of bones

inferior nasal conchae

mandible

single bone

mandible

2 separate bones at birth, but fuse by age 1

mandible

the only movable skull bone

mandible

largest and strongest facial bone

mandible

zygomatic bones

pair of bones

zygomatic bones

the cheekbones

zygomatic bones

forms the lateral wall of the orbit and half of the zygomatic arch

zygomatic bones