All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic
mast cell A connective tissue cell which, on becoming injured at a site of tissue damage, releases certain chemicals. Some of these cause a restriction of lymph vessels, thus allowing localized swelling to occur. Another, called histamine, increases capillary permeability, allowing leucocytes to leave the circulatory system more readily and to congregate at the site of injury.
mast cell (mahst) n. a large cell in connective tissue. Mast cells contain heparin, histamine, and serotonin, which are released during inflammation and allergic responses.
More From encyclopedia.com
Adherens Junction , adherens junction A cell junction that is commonly observed in epithelial (see EPITHELIUM) cells (e.g. those lining the intestine and those in cardia… Protoplasm , pro·to·plasm / ˈprōtəˌplazəm/ • n. Biol. the colorless material comprising the living part of a cell, including the cytoplasm, nucleus, and other org… Cell , Cell The cell is the basic unit of a living organism. In multicellular organisms (organisms with more than one cell), a collection of cells that work… Exocytosis , Exocytosis is the cellular process in which intracellular vesicles in the cytoplasm fuse with the plasma membrane and release or "secrete" their cont… B Cell , B cell (B lymphocyte) A lymphocyte that is derived from stem cells in the bone marrow but does not mature in the thymus (compare T cell); in birds it… Cytoplasm , The term cytoplasm refers to the contents of a cell, excluding its nucleus. More specifically, cytoplasm refers to the jelly-like or semisolid fluid…
You Might Also Like