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Allergic contact dermatitis
An allergic rash (Type IV) with physiological memory to the chemical sensitizer which caused…
Allergy
The immunologic state induced in a susceptible individual by an allergen; characterized by a…
Alpha herpesviruses
Includes the herpes simplex viruses 1 and 2, and varicella zoster virus (shingles), which…
Alveolar dead space
Alveolar dead space is caused by air contacting alveoli without blood flow in their…
Alveolar macrophage
Macrophages that reside in the alveoli of the lung, where they ingest foreign material…
Activated white blood cells
Transformed immune cells that have achieved their full capacity to track down, acquire, and…
Active acquired immunity
Immunity obtained during a persons life that provides the ability to produce white cells…