This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Senses: Vision and its Elements, Subject name: Physiology
Retinal cells which secrete acetyl choline? 
Select and explain. 
A. Bipolar cells, B. Ganglion cells, C. Amacrine cells, D. H cells
C: Amacrine cells
Answer: C: Amacrine cells 
Explanation: 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.