As degranulation occurs, it causes the mast cell or basophil to release a series of chemicals that orchestrate the allergic reaction. Within every mast cell or basophil are 500 to 1500 granules containing more than thirty different allergy-causing chemicals.
Urban design is an inter-disciplinary subject that unites all the built environment professions, including urban planning, landscape architecture, architecture, civil and municipal engineering.
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.