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.
Production design is the visualization of the mood, tone, and character of each scene in a film; it's a foundation and reference point for the social group or groups in the film, providing contrast and root for each character or groups of characters and for the events in the film. Production design sets place.