Antigen processing cells are all of the following, except:
Antigen presenting cells include:Macrophages: APC of bloodModified macrophages:Dendritic reticulum cells in follicles of lymph nodesInterdigitating reticulum cells in the paracoical zone of lymph nodesLangerhans cells: APC of skinAstrocytes do not function as APC(ref: Robbin's 8/e p192)
Astrocytes
Dendritic cells in lymphoid follicles
Reticulum cells of lymph nodes
Langerhan's cells
All India exam