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.
Organic design is a philosophy of design for buildings and places which is driven by several ideals: 1  The need for âgood designâ : design which respects the users. 2  Itâs the basic concept of form follows function, but with a few extra twists. 3  The influence of nature.