Skull part 2

Question 1

Suture naming: basilar

Answer 1

between sphenoid and occipital

Question 2

Suture naming: metopic

Answer 2

between unfused halves of frontal; rarely found in adults

Question 3

Suture naming: parietomastoid

Answer 3

between parietals and temporals (posterior extension of squamosal)

Question 4

Suture naming: occipitomastoid

Answer 4

between occipital and temporals

Question 5

Suture naming: pareitosphenoid

Answer 5

between anteroinferior parietal and superior portion of sphenoid greater wing

Question 6

frontal bone is in 2 parts, separated by ____ suture

Answer 6

metopic

Question 7

pterion

Answer 7

where sphenoid, temporal, frontal, and parietal meet on the side of the cranial vault

Question 8

is extrasutural bone located at junction

of frontal, parietal, temporal, and sphenoid bones

Answer 8

Epipteric bone

Question 9

Direction of zygomaticomaxillary

suture may be useful in establishing

Answer 9

biological affinity

Question 10

independent bones within suture lines

Answer 10

Wormian bones (accessory bones)

Question 11

Air sinuses are hollow spaces within

Answer 11

frontal, maxilla, ethmoid, sphenoid, and temporal (mastoid region) bones

Question 12

venous sinus

Answer 12

low pressure venous channels enclosed within the dura mater surrounding the brain

Question 13

air sinus

Answer 13

hollow cavity in a bone of the skull

Question 14

what are the diarthrodial joints in the skull?

Answer 14

1) temporomandibular joint
2) atlanto-occipital joint
3) ossicular chain joint (inner ear)

Question 15

In the skull, arteries create ___ sulci and veins create ____ sulci

Answer 15

deep and sharp ; broad and shallow

Question 16

What are the 3 basic kinds of cranial measurements?

Answer 16

1.
Cranial capacity : volume within
neurocranium; reflects brain size
2.
Linear : between two points, a chord
3.
Arc : curvilinear measurement