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
Macrophages in GIT which samples the antigen to peyer's pathes are 
Select and explain. 
A. Microfold cells, B. G cells, C. Langerhans cells, D. T cells
A: Microfold cells
Answer: A: Microfold cells 
Explanation: Microfold cells or M cells presents antigen to peyer's patches, where they activate native T cells.