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Glossary

Showing 51-60 out of 1156 Terms

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  • Antifungal

    (AN-tee-FUN-gul)

    A medicine that kills fungi, organisms that cause infections. Kids undergoing treatment for cancer are especially vulnerable to fungal infections.

  • Antigen

    (AN-tih-jen)

    Any substance that causes the body to make an immune response against that substance. Antigens include toxins, chemicals, bacteria, viruses, or other substances that come from outside the body. Body tissues and cells, including cancer cells, also have antigens on them that can cause an immune response. These antigens can also be used as markers in laboratory tests to identify those tissues or cells.

  • Antihistamine

    (AN-tee-HIS-tuh-meen)

    A medicine used to relieve the symptoms of allergies like hives, stuffy nose, etc.

  • Antimetabolite

    AN-tee-meh-TA-boh-lite

    A drug that is very similar to natural chemicals in a normal biochemical reaction in cells but different enough to interfere with the normal division and functions of cells.

  • Antimicrobial

    (AN-tee-my-KROH-bee-ul)

    A substance that kills microorganisms such as bacteria or mold, or stops them from growing and causing disease.

  • Antioxidants

    (an-ti-OX-uh-dents)

    Compounds that hold back chemical reactions with oxygen (oxidation) and are thought to reduce the risk of some cancers. Examples are vitamins C and E and beta-carotene.

  • Antitumor

    (AN-tee-TOO-mer)

    Having to do with stopping abnormal cell growth.

  • Antiviral

    (AN-tee-VY-rul)

    A drug used to treat infections caused by viruses.

  • Anus

    (AY-nus)

    The opening of the rectum to the outside of the body.

  • Anxiety

    (ang-ZY-eh-tee)

    Feelings of fear, dread, and uneasiness that may occur as a reaction to stress. A person with anxiety may sweat, feel restless and tense, and have a rapid heart beat. Extreme anxiety that happens often over time may be a sign of an anxiety disorder.