Polio AIDS Cancer Activities Sources
Here is a dictionary of some words in our web page you may not have known. They are in alphabetical order.
AIDS- (acquired immune defiency syndrome) A disease that is caused by a virus that attacks cells of the immune system, leaving the infected person vulnerable to certain infections.
Benign- An abnormal growth that does not spread.
Cancer- The growth of abnormal cells in connective tissue. The growth incresases in time and may cause death.
Chemotherapy- Treatment of cancer that uses a chemical compound that affects the way the cells grow and reproduce.
HIV- The virus that causes AIDS.
Immune system- The body's natural system of defenses. Specialized cells and proteins in the body.
Immunity- The state of being protected against a disease.
Lymph glands- (lymph nodes) Small clusters of lymphocytes in the neck, underarm, groin, abdomen, and other parts of the body.
Lymphocytes- Small white blood cells that function in the immune system.
Malignant- An abnormal growth that continues to grow. Also: a cancer
Mastectomy- A surgical removal of a breast.
Microorganism- A life-form so small it can be seen only with a microscope
Tumor- A limp in the body that is caused by abnormal cell growth. It can be either benign or malignant.
Radiation- A treatment that consists of using X-rays to find cancer and help stop it.
Vaccine- A preparation that creates an immune response.
Virus- A tiny microorganism.