<prompt> Antigen presenting cells present in skin are calledLangerhans cellsKupffer cellsMicrogliaMelanocytes  <response>: Ref Robbins 9e 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. 