Mast cells. Most histamine in the body is generated in granules in mast cells and in white blood cells called basophils and eosinophils. Mast cells are especially numerous at sites of potential injury â the nose, mouth, and feet, internal body surfaces, and blood vessels.
urban adjective. âº of or in a âcity or âtown: Many âAmericans were âleaving the âfarm for the âpromise of urban âlife. Over 82% of Texans âlive in urban âareas. (Definition of urban from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
What is urban growth? A: Urban growth, also known as urban sprawl, refers to the expansion of a metropolitan or suburban area into the surrounding environment. It is often controlled by an Urban Growth Boundary (UGB), which is a clearly defined and legally enforced zoning tool. Continue Reading.