Allelic: Pertaining to an allele, an alternative form of a gene. A single allele is inherited from each parent.
Allergen: A substance that can cause an allergic reaction. Common allergens include ragweed pollen, animal dander, and mold.
- Allergic conjunctivitis
Inflammation of the whites of the eyes (conjunctivae), with itching, redness, and tearing, due to allergy.
- Allergic contact eczema
Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and lotions.
- Allergic contact dermatitis
Allergic contact dermatitis: A red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy, poison oak or poison sumac or certain preservatives in creams and lotions. This type of reaction reflects a specific sensitivity or allergy to a specific substance. […]
- Allergic granulomatosis
Allergic granulomatosis: A disease (also often called the Churg-Straus syndrome) characterized by inflammation of the blood vessels in persons with a history of asthma or allergy. The symptoms of the Churg-Strauss syndrome include fatigue, weight loss, inflammation of the nasal passages, symptoms of asthma, numbness, and weakness. The ultimate test for the diagnosis of Churg-Straus […]