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: Microbiology
Langerhans cells in skin are 
Select and explain. 
A. Antigen presenting cells, B. Pigment producing cells, C. Keratin synthesising cells, D. Sensory neurons
A: Antigen presenting cells
Answer: A: Antigen presenting cells 
Explanation: Ans. is 'a' i.e., Antigen presenting cells