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Spinal Anatomy I - Exam 3 > The Orbit > Flashcards

Flashcards in The Orbit Deck (19):
1

What term is used to identify the periosteum of the orbit?

Periorbita

2

What term is used to identify the periosteum of the cranium?

Pericranium

3

What term is used to identify the periosteum of the cranial vault?

Endocranium

4

What are the bones forming the margins of the orbit?

- frontal
- maxillary
- zygomatic

5

What landmarks form the apex of the orbit?

Convergence of the superior orbital fissure and inferior orbital fissure

6

What bones form the superior wall of the orbit?

- sphenoid
- frontal

7

What opening is located along the superior wall of the orbit?

Optic canal

8

What are the contents of the optic canal?

- optic nerve
-ophthalmic artery

9

What bones form the medial wall of the orbit?

- ethmoid
- frontal
- lacrimal
- sphenoid

10

What are the openings located along the medial wall of the orbit?

- anterior ethmoid foramen
- posterior ethmoid foramen

11

What is the name given to the medial wall of the orbit?

Lamina papyracea

12

What features may be observed on the medial wall of the orbit?

- lacrimal groove
- fossa for the lacrimal sac
- anterior ethmoid foramen
- posterior ethmoid foramen

13

What bones form the lateral wall of the orbit?

- sphenoid
- zygomatic

14

What opening is located along the lateral wall of the orbit?

Superior orbital fissure

15

What are the contents of the superior orbital fissure?

- oculomotor cranial nerve
- trochlear cranial nerve
- abducent/abducens cranial nerve
- ophthalmic division of the trigeminal cranial nerve
- ophthalmic veins

16

What bones form the inferior wall of the orbit?

- maxillary
- palatine
- zygomatic

17

What opening is located along the inferior wall of the orbit?

Inferior orbital fissure

18

What is contained in the inferior orbital fissure?

Maxillary division of trigeminal nerve

19

The opening of the inferior wall of the orbit communicate with which region of the skull?

Ptetygopalatine/sphenopalatine fossa

Decks in Spinal Anatomy I - Exam 3 Class (94):