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  • Identify A, B, C and D in the structure given below–  <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/05/19/91662-image.jpg" style="height:219px; width:300px" /

Identify A, B, C and D in the structure given below– 

Option: 1

A- Ciliary body, B- fovea, C- Blind spot, D- iris

 


Option: 2

A- Iris, B- fovea, C- Blind spot, D- Ciliary body


Option: 3

A- Iris, B- blind spot, C- fovea, D- Ciliary body

 


Option: 4

A- Iris, B- Retina, C- fovea, D- Ciliary body


Answers (1)

best_answer

 

Option  2 - Fovea is the central pit of the yellowish-pigmented spot, macula Lutea. It is the present posterior pole of the eye. Hence, option 2 is correct. 

Explanation for the incorrect options : 

Option 1 - Iris is the visible colored portion of the eye which is opaque and formed by the continuous forward structure of the Ciliary body. Hence, option 1 is incorrect.

Option 3 - Blindspot is a region where no photoreceptor cells are present. It is the region where the optic nerve leaves the eye and retinal blood vessels enter. Hence, option  3  is incorrect.

Option 4 -  Ciliary body is anterior and thick ? part of the choroid layer. Hence, option 4 is incorrect.

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shivangi.shekhar

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