Flashcards in skull anatomy test study guide Deck (88)
Loading flashcards...
0
How many bones make up the skull?
22
1
How many bones are cranial bones?
8
2
How many bones are facial bones?
14
3
The cranial bones are divided into two categories, what are they?
Calvaria and floor
4
Which bones are bones of the Calvaria?
◾️frontal
◾️occipital
◾️right parietal
◾️left parietal
5
Which bones are cranial floor bones?
◾️ethmoid
◾️sphenoid
◾️right temporal
◾️left temporal
6
Know what the Squama is on all bones?
The main portion of the bone. Body of bone.
◾️occipital
◾️frontal
◾️parietal
◾️temporal
7
What's the dipole?
Inner layer of spongy bone separating two outer plates of compact tissue
8
What are sutures?
Joints between the cranial bones
9
What are fontanelles?
Areas of incomplete ossification in infant skulls.
➡️There are 6.
10
Where's the coronal suture?
Between frontal and parietal bones
11
Where is the sagittal suture?
On top of head between two parietal bones
12
Where's the squamosal suture?
Between temporal bone and parietal bones
13
Where's the lambdoidal suture?
between occipital and parietal bone
14
What is the Bregma?
Junction of coronal and sagittal sutures
15
What is the lambda?
Junction of sagittal and lambdoidal sutures
16
When adult cranial size is usually achieved?
By age 12
17
What are the 3 general regions of the cranial floor?
◾️anterior cranial fossa
◾️ middle cranial fossa
◾️posterior cranial fossa
18
What's the glabella?
Smooth elevated arch between the supercillary arches
19
What are the orbital plates?
Roofs of the orbit
20
What's the supraorbital foramen?
Opening in the center of the margin
21
What's the supercillary arch?
Located where the eyebrows are
22
What are the supraorbital margins?
Superior part of orbit
23
What's the frontal eminence?
Rounded elevation on either side
24
What's the Squama?
Forms forehead and anterior part of cranial vault
25
What are the frontal bone parts?
◾️glabella
◾️orbital plates
◾️supraorbital foramen
◾️supercillary arch
◾️supraorbital margins
◾️frontal eminence
◾️Squama
26
What are some ethmoid parts?
◾️superior and middle nasal conchae
◾️labyrinths
◾️perpendicular plate
◾️Cristi galli
◾️Cribiform plate
27
What's the superior and middle nasal conchae?
Two thin scroll shaped projections
28
What's the labyrinths?
Contains the ethmoid sinuses or air cells
29
