openings of the orbit

0.0(0)
Studied by 0 people
call kaiCall Kai
Locked
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/4

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 1:46 PM on 9/1/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

5 Terms

1
New cards

Optic canal

Transmits optic nerve

Located in lesser wing of sphenoid

2
New cards

Optic foramen

Optic nerve, ophthalmic artery, and sympathetic nerve

Formed by two roots of the lesser sphenoid bone @ apex of orbit

Orbital end of optic canal which leads into middle cranial fossa

<6.5 mm in diameter

3
New cards

Superior orbital fissure

Gap formed between greater and lesser wings of the sphenoid

Transmits

Lacrimal Nerve CN V

Frontal Nerve CN V

Trochlear Nerve CN IV

Superior Division of CN III

Nasociliary Nerve CN V

Inferior Division of CN III

Abducens Nerve CN VI

4
New cards

Inferior Orbital Fissure

Lies between greater wing of sphenoid and maxilla

Transmits- Maxillary division of CN V (infraorbital nerve)

Zygomatic Nerve

Infraorbital artery

5
New cards

Nasolacrimal Canal

Formed by maxilla and lacrimal bone

Transmits- Nasolacrimal duct passes through this canal between lacrimal sac and inferior nasal meatus