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M&M Anatomy > The Eye > Flashcards

The Eye Flashcards

1
Q

Bones forming the orbit

A 
Frontal bone 
Zygomatic bone
Maxilla
Ethmoid bone 
Lacrimal bone
Sphenoid bone 
Palatine vone
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2
Q

Openings in the orbit

A 
Infraorbital foramen
Superior orbital fissure 
Inferior orbital fissure
Optic canal 
Anterior ethmoidal canals
Posterior ethmoidal canals
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3
Q

The lacrimal apparatus consists of

A 
Lacrimal gland
Lacrimal puncta
Lacrimal canal 
Lacrimal sac
Nasolacrimal duct
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4
Q

Nerve supply to lacrimal gland

A

Facial nerve > Geneculate ganglion (NO) > Greater petrosal nerve > Nerve to pterygoid canal > Sphenopalatine ganglion > Zygomatic never > Lacrimal nerve > Lacrimal gland

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5
Q

Classes of eye muscles

A

Extraocular

Intraocular

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6
Q

Extraocular muscles

A

Levator palpebrae superioris
4 Recti
Superior oblique
Inferior oblique

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7
Q

Nerve supply to extraocular muscles

A

All by occulomotor nerve EXP.
superior oblique
Lateral rectus

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8
Q

Divisions of occulomotor nerve

A

Superior division

Inferior division

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9
Q

Superior division of occulomotor supply

A

Superior rectus

Levator palpebrae superioris

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10
Q

Inferior division of occulomotor nerve supply

A

Inferior rectus
Medial rectus
Inferior oblique

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13
Q

Occulomotor and trochlear and abducent nerves enters the orbit through

A

Superior orbital fissure

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14
Q

Branches of ophthalmic nerve

A 
Lacrimal
Frontal 
(Supratrochlear, Supraorbital)
Nasociliary 
(Ciliary ganglion, 2 long ciliary nevers, Anterior and posterior ethmoidal nerves)
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15
Q

Roots of ciliary ganglion

A

Nasociliary never (Sensory)
Occulomotor (Parasympathetic)
Sympathatic from ICA

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17
Q

Superior oblique nerve supply

A

Trochlear never

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18
Q

Lateral rectus nerve supply

A

Abducent never

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M&M Anatomy (1 decks)

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