A substance that causes an allergic reaction.

An acute allergic reaction to an antigen (e.g., a bee sting) to which the body has become hypersensitive.

A medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms.

A medication, also known as an antimycotic medication, is a pharmaceutical fungicide or fungistatic used to treat and prevent mycoses such as athlete's foot, ringworm, candidiasis (thrush), serious systemic infections such as cryptococcal meningitis, and others.

A blood protein produced in response to and counteracting a specific antigen. These combine chemically with substances that the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.

A toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.

Interaction that is a specific chemical interaction between antibodies produced by B cells of the white blood cells and antigens during immune reaction. ... The specificity of the binding is due to specific chemical constitution of each antibody.

A disease in which the body produces antibodies that attack its own tissues, leading to the deterioration and in some cases to the destruction of such tissue.

A rod-shaped bacterium.

A disease-causing bacterium.

A member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease.

Sometimes called infiltratingductal carcinoma, is the most common type of breast cancer. About 80% of all breast cancers are invasive form of this.

They are designed to destroys rapidly growing cancer cells. They have been shown to be mutagenic, carcinogenic and/or teratogenic, either in treatment doses or animal and bacterial assays. An agent or process that is toxic to cells. Often called Chemotherapy.

A kind of herpes virus that usually produces very mild symptoms in an infected person but may cause severe neurological damage in people with weakened immune systems and in the newborn.

Any of a number of substances, such as interferon, interleukin, and growth factors, that are secreted by certain cells of the immune system and have an effect on other cells.

A series of molecules that work together to perform many immune system functions. For example, the complement system helps to dissolve and remove immune complexes and to kill foreign cells. Often called a medical cocktail.

A group of abnormal cells. While they are a form of neoplasm, there is disagreement over whether CIS should be classified as cancer.

A cancer arising in the epithelial tissue of the skin or of the lining of the internal organs.

an infection caused by a species of yeast, usually Candida albicans. This is a common cause of vaginal infections in women. Also, may cause mouth infections in people with reduced immune function, or in patients taking certain antibiotics.