This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Antigen presenting cells present in skin are called \nSelect and explain. \nA. Langerhans cells, B. Kupffer cells, C. Microglia, D. Melanocytes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref Robbins 9/e p192 Langerhans cells are dendritic cells (antigen-presenting immune cells) of the skin, and contain organelles called Birbeck granules. They are present in all layers of the epidermis and are most prominent in the stratum spinosum.', 'role': 'assistant'}]