Allergy Glossary

Allergen — substance that causes an allergic reaction

Allergenic — describes a substance which produces an allergic reaction

Antibody — molecule tailor-made by the immune system to lock onto and destroy specific germs

Basophils — white blood cells that contribute to inflammatory reactions

Conjunctivitis — inflammation of the lining of the eyelid, causing red-rimmed, swollen eyes, and crusting of the eyelids

Genes — units of genetic material that carry the directions a cell uses to perform a specific function

Granules — small particles; in cells the particles typically include enzymes and other chemicals

Immune System — a complex network of specialized cells, tissues, and organs that defends the body against attacks by disease-causing organisms

Inflammation — an immune system process that stops the progression of disease-causing organisms

Lymphocytes — small white blood cells which are important parts of the immune system

Mast Cells — granule-containing cells found in tissue

Molecules — the building blocks of a cell. Some examples are proteins, fats, and carbohydrates Organism — an individual living thing

Perennial — describes something that occurs throughout the year

Rhinitis — inflammation of the nasal passages, which can cause a runny nose

Sinuses — hollow air spaces located within the bones of the skull surrounding the nose

Sputum — matter ejected from the lungs and windpipe through the mouth

Tissues — groups of similar cells joined to perform the same function

Upper Respiratory Tract — area of the body which includes the nasal passages, mouth, and throat

Pollen Allergy

Mold Allergy

Dust Mite Allergy

Animal Allergy