Unit 1: Understanding Celiac Disease

An anesthetic drug is injected to make the patient quiet or sleep.

A primary immunodeficiency characterized by an undetectable level of immunoglobulin A (IgA) in the blood and secretions, but no other immunoglobulin deficiencies. Immunoglobulin is another word for antibody.

A method to test for allergies by puncturing the skin with a needle and introducing a drop of diluted allergen. If a skin reaction appears, this may indicate that the body reacts allergic to the tested allergen.

Part of the gastrointestinal tract between the stomach and the large intestine. In the small intestine, most of the end absorption of food takes place. The small intestine has three distinct regions – the duodenum, jejunum, and ileum.

Any solid substance (as opposite of liquid), that is used as a source of nourishment. This term is often used in the sense of weaning food or complementary food, i.e. all foods other than breastmilk or infant formula.