title: Classification of cells in the cerebrospinal fluid.
abstract: The cells of the cerebrospinal fluid consist of three systems: the lymphatic immune-competent system, the "mononuclear phagocyte system (MPS)" and the reticulo-histiocytic system (RHS). Within the lymphatic cells the lymphocytic line and the plasmocytic line must be considered separately, although the two cell-lines are from their origin functionally inter-connected; they constitute the immune-system. To the "mononuclear phagocyte system" belong the monocytes and the macrophages. The reticulo-histiocytic system includes the cell-forms which are definitely excluded from the "mononuclear phagocyte system". The investigations show that most of the cells in the CSF originate from the blood.
mesh_terms: D002555:Cerebrospinal Fluid / Q000166:cytology*; D006801:Humans; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000145:classification; D008264:Macrophages / Q000145:classification; D009000:Monocytes / Q000145:classification; D012157:Mononuclear Phagocyte System / Q000166:cytology; D010587:Phagocytosis