Gross Anatomy Of Eye (Year 2 NNM) Flashcards by Prof. Teddy

Q

What are the boundaries of the orbital cavity?

A

Roof - frontal bone
Medial - ethmoid bone
Lateral - zygomatic and greater wing of sphenoid bone
Floor - maxilla

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Q

List the openings of the orbit.

A

Optic canal
Superior orbital fissure
Inferior orbital fissure

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Q

List the openings of the orbit.

A

Optic canal
Superior orbital fissure
Inferior orbital fissure

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Q

List the contents of the orbital cavity

A

Eyeball
Extraocular muscles and tendons
Nerves
Blood vessels
Lacrimal gland
Orbital fat

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Q

What is hyperthyroidism (Grave’s disease)?

A

Increase in orbital fat causes the eyeball to be extruded forwards causing exophthalmos.

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