SKULL + SUTURES

1 + what does it form?

frontal bone, forms superior part of orbits

2 + what does it form?

parietal bone, forms side of cranium

3

temporal bone

4

ethmoid

5

sphenoid

what is it and what does it form?

occipital bone, forms floor and back of cranium

1 + what is it?

squamous part of the frontal bone, main part of forehead

what is it and its function?

coronal suture, articulation between frontal bone and parietals

1 + F

sagittal suture, articulation between parietal bones

3 + F

lambdoid suture, articulation between the occipital bone and parietals

2

sutural bone

1

squamous part of temporal bone

2 + F

squamous suture, articulation between temporal and parietal bones

3 + F

external acoustic meatus, canal leading to eardrum

4 + F

occipitomastoid suture, articulation between occipital bone and petrous region of temporal bone

5 + F

mastoid process, site of muscle attachment

6 + F

styloid process, attachment point for muscles and ligaments of the neck

7 + what does it surround?

tympanic part, surrounds external ear opening

8 + what does it form?

zygomatic process, forms zygomatic arch with zygomatic bone