Search Results for: phagocytosis
Endocytosis
Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More
Phagocytosis
Definition noun The process of engulfing and ingestion of particles by the cell or a phagocyte (e.g. macrophage) to form a... Read More
Pinocytosis
Pinocytosis Definition What is pinocytosis? Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More
Opsonization
Definition noun, plural: opsonizations The process at which opsonins bind to the surface of the antigen so that the... Read More
Pseudopodia
A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More
Movement of Molecules Across Cell Membranes
Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Intracellular digestion
Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More
Mononuclear phagocyte system
Definition noun A system of cells located in reticular connective tissue, and are associated primarily with phagocytosis and... Read More
Phagocytic
Definition adjective Of or pertaining to the characteristics of a phagocyte, or to phagocytosis. Supplement Examples of... Read More
Macrophage
Definition noun, plural: macrophages A leukocyte whose main function is to eliminate cellular debris and foreign particles... Read More
Phagolysosome
Definition noun plural: phagolysosomes (cell biology) A cytoplasmic body that forms from the fusion of phagosome and... Read More
Kupffer cell
Definition noun, plural: Kupffer cells A specialized stellate macrophage cell that is located fixedly within the liver... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Phagotrophy
Definition noun A process of ingesting relatively large particles of food that carries out via intracellular... Read More
Biological Cell Defense
Organisms must find a means of defense against antigens such a viruses described on the previous tutorial. If this was not... Read More
Histiocyte
Definition noun, plural: histiocytes A reticular connective tissue macrophage or a dendritic cell, derived from the bone... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
Neutrophil
Definition noun, plural: neutrophils A type of polymorphonuclear leukocyte characterized by having multilobed nucleus,... Read More
Eubacteria
Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Euglenophyta
Definition noun (phycology) In old taxonomic classification, a phylum of the Kingdom Protista and comprised of the... Read More
Passive and Active Types of Immunity
The previous tutorial investigated the role of white blood cells in phagocytosis. White blood cells are also responsible... Read More
Alimentary canal
Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More
Biological Cell Introduction
It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More
Lysosomal enzyme
Definition noun plural: lysosomal enzymes ly·so·somal en·zyme, ˈlaɪsəˌsoʊm əl ˈɛnzaɪm (biochemistry) Any of... Read More
Monocytopoiesis
Definition noun, plural: monocytopoieses The hematopoiesis of monocytes Supplement Hematopoiesis is the process of forming... Read More
Interferon
Interferon (Science: cytokine) a family of glycoproteins derived from human cells which normally has a role in fighting... Read More
Cell membrane
Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More
Osteoclast
Definition noun, plural: osteoclasts (cytology) A type of bone cell that is large, multinucleated, and associated with bone... Read More