This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Function of Merkel's cells is: 
Select and explain. 
A. Tactile sensation, B. Melanophage, C. Chemoreceptor, D. Proprioception
A: Tactile sensation
Answer: A: Tactile sensation 
Explanation: None