This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
Acetylcholine is secreted in eyes by 
Select and explain. 
A. Bipolar cells, B. Ganglion cells, C. Horizontal cells, D. Amacrine cells
D: Amacrine cells
Answer: D: Amacrine cells 
Explanation: Amacrine cells are inhibitory neurons, and they project their dendritic arbors onto the inner plexiform layer (IPL), they interact with retinal ganglion cells and/or bipolar cells Ref: guyton and hall textbook of medical physiology 12 edition page number:731,732,733