Neural Control and CoordinationHard
Question
Sensitive pigmented layer of eye is
Options
A.cornea
B.retina
C.sclerotic
D.iris
Solution
Retina consists of a pigmented layer and a nervous tissue layer, first there is the photoreceptor layer containing photosensitive cells, the rods and cones. Rod cells are sensitive towards light and are used for vision in dim light, having no ability to detect colour whereas cones are used for bright light vision with the ability to make coloured image of the object.
Next is the intermediate layer containing short sensory bipolar neurons. Bipolar cells inturn synapse with the retinal ganglion cells, whose axons bundle together as the optic nerve.
Next is the intermediate layer containing short sensory bipolar neurons. Bipolar cells inturn synapse with the retinal ganglion cells, whose axons bundle together as the optic nerve.
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