First order neuron of visual pathway -
(A) Photoreceptor (B) bipolar neuron (C) lateral geniculate body (D) all of the above
(A) Answer-:A: photoreceptorRods and cones are the first-order receptor cells that respond directly to light stimulation.Bipolar neurons are the second-order neurons that relay stimuli from the rods and cones to the ganglion cells.Ganglion cells third-order neurons that form the optic nerve (CN II).