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Neuroanatomy > Eye > Flashcards

Eye Flashcards

1
Q

What are 6 muscles of eye? innervation

A

Medial rectus- Oculo
Lateral rectus- Abd
Superior rectus- Oculo
Inferior rectus- Oculo
Superior oblique- Troch
Inferior oblique- Troch

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2
Q

Movement of:
Medial rectus
Lateral rectus
Superior rectus
Inferior rectus
Superior oblique
Inferior oblique

A

Medial rectus- oculomotor
- adduction
- move eye inward towards nose
Lateral rectus- abducens
- abduction
- move eye away nose
Superior rectus- oculomotor
- elevation
- eye upward
Inferior rectus- oculomotor
- depression
- eye downward
Superior oblique- trochlear
- depression and abduction
- downward and outward
Inferior oblique- oculomotor
- elevation and abduction
- upward and outward

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3
Q

Label colours

A
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4
Q

Draw eye muscles

A
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5
Q

What muscle responsible for raising eyelid?

A

Levator palpebrae superioris

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6
Q

Label

A
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7
Q
A

Conjuctiva

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8
Q
A
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9
Q

Dysfunction oculomotor nerve characterised what 3 signs?

A

1) Down and out facing eye
2) Ptosis
3) Dilated pupil

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10
Q

What nerves responsible for dilating/constricting pupil

A

Dilator pupillae- dilate pupil- symp, T1
Sphincter pupillae- constrict pupil- para

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11
Q

What muscle responsible accomodation?

A

Ciliary muscle- para

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12
Q

Is dilating sympa or para?
Is constricting sympa or para?

A

Dilator pupillae- sympa
Sphincter pupillae- para

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13
Q

Label eye (crash course)

A
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14
Q

What forms outer layer eye?

A

Sclera Cornea

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15
Q

What are 3 layers eye?

A

Fibrous- sclera cornea
Vascular- choroid ciliary body iris
Nervous- retina

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16
Q

What humour in anterior?
What humour in vitreous?

A

Anterior- aqueous
Vitreous- vitreous

17
Q

What controls accommodation reflex?

A

Ciliary muscles

18
Q

What are 2 muscles involved dilation and contraction?

A

Sphincter pupillae
Dilator pupillae

19
Q

OPTIC TRACT PATHWAY

A

OPTIC TRACT PATHWAY

20
Q

Where highest concentration cones

A

Macula lutea- fovea

21
Q

Function cones
Function rods

A

Colour
Low light

22
Q

MUSCLES AND MVEMENT
INN

A

MUSCLE AND MOVEMENT
INN

Neuroanatomy (13 decks)

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