Neutrophils are a type of phagocytic white blood cell and part of innate immunity. More specifically, they form the most abundant type of granulocytes and make up 40% to 70% of all white blood cells i
Neutrophils with segmented nuclei surrounded by erythrocytes and platelets. Intra-cellular granules are visible in the cytoplasm (Giemsa stained).
Hypersegmented neutrophil
Scanning electron micrograph of a neutrophil (yellow) phagocytosing anthrax bacilli (orange). Scale bar is 5 μm.
Micrograph showing several neutrophils during an acute inflammation
Phagocytes are cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells. They include monocytes, macrophages, neutrophils, tissue dendritic cells, and mast
Ilya Ilyich Mechnikov in his laboratory
Micrograph of Gram-stained pus showing Neisseria gonorrhoeae bacteria inside phagocytes and their relative sizes
Monocytes in blood (Giemsa stain)