Macrophages The mononuclear phagocytic system consists of monocytes circulating in the blood and macrophages in the tissues. The monocyte is considered a leukocyte in transit through the blood, which becomes … Read more
What is phagocytosis? Phagocytosis is a process by which cells ingest large particles (> 0.5 micrometers) into membrane-bound vesicles called phagosomes, which are then targeted to the lysosomes for enzymatic … Read more
Endocytosis Definition Endocytosis is a cellular mechanism by which, a cell internalizes substances including proteins, fluids, electrolytes, microorganisms, and some macromolecules, from its external environment. These substances undergo certain processes … Read more
