NEET BIOLOGY

HUMAN PHYSIOLOGY

CONTROL AND COORDINATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
At the posterior pole of eye latter to blind spot, there is a yellowish pigmented spot called ____ with a central pit called ____
A
Corpus luteum, Fovea
B
Macula, fovea
C
Macula lutea, fovea
D
macula, columella
Explanation: 

Detailed explanation-1: -"At the posterior pole of the eye lateral to the blind spot, there is a yellowish pigmented spot called macula lutea with a central pit called the fovea.” Q.

Detailed explanation-2: -So, the correct answer is ‘Macula lutea’.

Detailed explanation-3: -Fovea is the central pit of the yellowish pigmented spot called macula lutea present at the posterior pole of the eye lateral to the blind spot. It is a thinned-out portion of the retina where only cones are present and are densely packed.

Detailed explanation-4: -The macula or macula lutea is an oval shaped pigmented area near the centre of the retina of the human eye. Near its centre is the fovea, a small pit that contains the largest concentration of cone cells in the eye and is responsible for central, high resolution vision. Was this answer helpful?

Detailed explanation-5: -The yellow spot is at the centre of the retina, comprising the cones only, thus imparting the yellow appearance. On the other hand, the blind spot is located posteriorly, where the optic nerves exit the eye.

There is 1 question to complete.