TOPIC- SENSE ORGANS Flashcards by Aadita Dangi | Brainscape

Q

What are the different layers of the eye

A

Outermost- Sclera
Middle layer- Choroid
Innermost retina

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Q

Which layer is k/a White of the eye

A

Sclera

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Q

Cornea is a reflecting/refracting structure

A

Refracting

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Q

Choroid looks ___ in colour

A

Bluish

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Q

The diameter of pupil is located by

A

Iridial muscles

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Q

What is the role of Choroid layer

A

To prevent reflections of light rays within the eyes

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Q

The actual light receptors of the eye are

A

Roda and cone

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Q

The retina consists of two portions, they are

A

Pigment epithelium- non visual portion
Neural portion- visual portion

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Q

Cones are responsible for ___ vision

A

Photopic vision

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Q

Rods are responsible for___ vision

A

Twilight/ scotopic vision

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Q

What is the pigment in rod

A

Rhodopsin or Visual purple

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Q

Rhodopsin consists of two parts they are

A

A protein molecule- opsin/ Scotopsin
Molecule of carotenoid - retinal

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