Share the Definition of mast cell on Twitter Twitter Medical Definition mast cell noun ˈmast- : a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (as histamine and heparin) which mediate allergic reactions More...
Organ heart brain skin plant stem Tissues fat muscle nerve nerve connective muscle fat epithelial connective xylem phloem cambium epidermis Job of tissue protection movement communication/control communication/control supports and connects tissues movem...