Human visual system
Specify portion of the human visual system where the receptors which sense light, that is, the photoreceptor cells, are situated? How those cells generally work?
Expert
Photoreceptor cells form retina, a lamina which encloses the internal posterior region of eyeball. The photosensitive cells of retina are divided into two types:
a) The cone cells
b) The rod cells.
These cells have the pigments which sense the specific light wave ranges and trigger the action potentials that is conducted through the optical nerves to visual area of brain.
Cytoplasmic inclusions: Cytoplasmic inclusions are the cytoplasmic molecular aggregates, like pigments, organic polymers and crystals. They are not considered in cell organelles. Fat glycogen granules and drops and
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