All the following are macrophage except—: (A) Monocyte, (B) Lymphocyte, (C) Kupffer cell, (D) Microglia
Answer is B. In humans, the gene encoding the most important histocompatibility molecules are clustered on a small segment of chromosome 6, the MHC complex or the human leucocyte antigen (HLA) complex in humans, so named because MHC encoded antigens were initially detected on leucocytes  '- Robbins7th/203
Major Histocompatibility Complex