Ch 2- skull Flashcards
1
Q
Osteometrics
A
Metric analysis for determining skeletal measurements
2
Q
Orbit
A
Eye sockets
3
Q
Anterior nasal aperture
A
Nasal cavity
4
Q
Zygomatic arch
A
Cheek bone
5
Q
How many bones are in the skull
A
22
6
Q
Neurocranium
A
- brain case, protects brain
- 8 bones (frontal, parietal 2, temporal 5, occipital, sphenoid, ethnoid)
- sutures
7
Q
Sutures
A
Tight fitting joints between cranial bones
8
Q
Splanchocranium
A
- nasal and oral cavities
- supports teeth
9
Q
Sagittal suture
A
Midline articulation between two parietal bones
Sagitta Latin foe arrow
10
Q
Coronal suture
A
“Crown”
Articulation between frontal and parietal bones
Runs basically from ear to ear
11
Q
Lambdoidal suture
A
- Articulation between the occipital bone and parietal bones
12
Q
Squamosal suture
A
- articulation between temporal and parietal bones
13
Q
Metopic
A
- obliterated by 7-8 years of age
- approx 6% of adults retain it
14
Q
Supraorbital margin
A
- rim of bone that outlines the upper margin of the orbits
15
Q
Supraorbital tori
A
Arch of bone above the orbits
