Dictionary

genes: A hereditary unit of DNA sequencing that occupies a specific location on a chromosome and determines a particular characteristics of living things.

glucocorticoids: Steroid hormones in the immune system that turns immune activity down; used to treat asthma.

hay fever: Allergic rhinitis triggered by the pollens of specific seasonal plants.

immunoglobulin E: Proteins found in blood.

immunology: The area of science that deals with the components of the immune system.

inhalers: A device that produces a vapor to ease breathing.