Immunoglobulin E (IgE) are immunoglobulins that include the antibodies elicited by allergens. Elevated blood levels of IgE usually indicate an allergy.
State of being protected against infections, either through the recovery from a previous contact with an antigen or through vaccination.
Response produced by the body’s immune system when encountering an antigen. Lymphocytes, a type of white blood cells, recognize foreign agents and trigger the formation of antibodies.
System of biological structures and processes within the body that protects against disease. The immune system detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish them from the organism's own healthy cells and tissues in order to function properly.
Also known as antibodies. Large proteins produced by the body and used by the immune system to identify and neutralize foreign objects like bacteria and viruses.
Liquid or reconstituted powders fed to infants and young children instead of or in addition to breast milk.
A morbid condition of any part of the body, consisting in congestion of the blood vessels, with obstruction of the blood current, and growth of morbid tissue. It is manifested outwardly by redness and swelling, and accompanied with heat and pain.
The action of consuming something orally, be it food, drink, medicine, or other substances. It is usually referred to as the first step of digestion.