ALLERGEN
A substance that brings on an allergic reaction in human beings, such as pollen, fungus spores (mould, mildew), etc.
A substance that brings on an allergic reaction in human beings, such as pollen, fungus spores (mould, mildew), etc.
An abnormal physiological response to a chemical or physical stimulus on the part of a sensitive person.
Inflammation of the mucous membranes in the nose.
The splitting or cracking of a paint film in a pattern resembling the rectangles of an alligator skin. Often due to oxidation or shrinkage stresses.
A fungus that is commonly found in the outdoor environment (e.g., soil, leaves).
Pertaining to air sacs (alveoli) of the lung where gas exchange occurs between the lung and the blood stream.
The air outside of or surrounding an object; generally referred to as the air within a structure or area.
A condition that encourages organisms to grow or increase in concentration. These conditions may involve food products.
An organism that is found living, active, or occurring in the absence of free oxygen.
An often severe and sometimes fatal systemic reaction in a susceptible person upon exposure to a external product or chemical