Lab Practical Flashcards
1
Q
height of the orbital entrance
A
35 mm
2
Q
width of the orbital entrance
A
40 mm
3
Q
orbital depth
A
40 mm
4
Q
length of the optic canal
A
4-9 mm
5
Q
angle formed between theoretical intersection of the optic canals
A
75 degrees
6
Q
volume of the orbit
A
29 mL
7
Q
orbital index (Broca): Megaseme
A
> 89
8
Q
orbital index (Broca): Mesaseme
A
84-89
9
Q
orbital index (Broca): microseme
A
< 84
10
Q
inferior margin bones: (2)
A
- zygomatic bone
2. maxilla
11
Q
medial margin bones: (2)
A
- frontal process maxilla
2. posterior lacrimal crest
12
Q
lateral margin bones: (2)
A
- zygomatic process frontal
2. zygomatic bone
13
Q
superior margin bone: (1)
A
- frontal bone
14
Q
orbital wall bones:
Floor (3)
A
- orbital plate maxilla
- orbital surface zygomatic
- orbital process palatine
15
Q
orbital wall bones:
Lateral (2)
A
- greater wing sphenoid
2. orbital surface zygomatic