<prompt> Retinal cells which secrete acetyl choline?Bipolar cellsGanglion cellsAmacrine cellsH cells  <response>: Ans. C. Amacrine cellsAmacrine cells secrete at least eight types of transmitter substances, including GABA, glycine, dopamine, acetylcholine and indolamine, all of which normally function as inhibitory neurotransmitters. 