List of immune cells

This is a list of immune cells, also known as white blood cells, white cells, leukocytes, or leucocytes. They are cells involved in protecting the body against both infectious disease and foreign invaders.

Image	Name	Subtype	Class	Alternate names	Diameter '	Main targets	References
	Neutrophil	Granulocyte	Neutrophil	Neutrocytes Heterophils Polymorphonuclear leukocytes	12-15	Bacteria Fungi
	Eosinophil	Granulocyte	Eosinophil	Eosinophiles Acidophils	12-15	Larger parasites Modulate allergic inflammatory responses
	Basophil	Granulocyte	Basophil	Basophilic granulocyte	12-15	Release histamine for inflammatory responses
	Mast cell	Granulocyte	Mast cell	Mastocyte Labrocyte Mastocytus	8-20	Release histamine for inflammatory responses
	Macrophage	Monocyte	Macrophage	Macrophagocytus Mφ MΦ MP	20-21	Bacteria Viruses Fungi Cancer cells Cellular debris
	Histiocyte	Monocyte	Macrophage	Tissue macrophage Macrophagocytus immobilis	20-21	Spent neutrophils General macrophage targets
	Kupffer cell	Monocyte	Macrophage	Stellate macrophages Kupffer–Browicz cells Liver macrophage Macrophagocytus stellatus	20-21	Foreign debris General macrophage targets
	Alveolar macrophage	Monocyte	Macrophage	Pulmonary macrophage Dust cell	20-21	Carbon debris from lungs General macrophage targets
	Dendritic cell	Monocyte	Dendritic cell	DC Cellula dendritiformis	10-15	Process antigen material and present to the T cell Messengers between innate and adaptive immune system
	B cell	Lymphocyte	B cell	B lymphocyte Lymphocytus B	8-10	Produces antibody molecules
	Plasma cell	Lymphocyte	B cell	Plasma B cells Effector B cellsPlasmocytus''	8-10	Active B cells that produces large amounts of antibodies
	Memory B cell	Lymphocyte	B cell	MBC	8-10	Memorizes the characteristics of the antigens Triggers an accelerated and robust secondary immune response
	Killer T cell	Lymphocyte	T cell	T lymphocyte Lymphocytus T	8-10	Virus-infected cells Cancer cells Recruits and communicates with other types of immune cells
	Memory T cell	Lymphocyte	T cell	MTC	8-10	Memorizes the characteristics of the antigens Triggers an accelerated and robust secondary immune response
	T helper cell	Lymphocyte	T cell	T_h cells CD4⁺ cells CD4-positive cells	8-10	Aids the activity of other immune cells by releasing cytokines
	Natural killer T cell	Lymphocyte	T cell	NKT	6-7	Produces large amounts of immunomodulatory cytokines Allergens Cancer cells Pathogens
	Innate lymphoid cell	Lymphocyte	Innate lymphoid cell	ILC	~6	Secretes signalling molecules Regulates immune cells
	Natural killer cell	Lymphocyte	Innate lymphoid cell	NK cell Large granular lymphocytes LGL	6-7	Virus-infected cells Intracellular pathogens Cancer cells