A type of
tumor that forms in a
testicle from
germ cells (cells that make sperm). Two main types of testicular germ
cell tumors are seminomas and nonseminomas. Seminomas grow and spread slowly and are sensitive to
radiation therapy. Nonseminomas grow and spread more quickly than seminomas. There are several different types of nonseminomas.
cell (sel)
The individual unit that makes up the tissues of the body. All living things are made up of one or more cells.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)germ (jerm)
A bacterium, virus, or other microorganism that can cause infection and disease.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)radiation (RAY-dee-AY-shun)
Energy released in the form of particle or electromagnetic waves. Common sources of radiation include radon gas, cosmic rays from outer space, medical x-rays, and energy given off by a radioisotope (unstable form of a chemical element that releases radiation as it breaks down and becomes more stable).
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)testicle (TES-tih-kul)
One of two egg-shaped glands inside the scrotum that produce sperm and male hormones. Also called testis.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)therapy (THAYR-uh-pee)
Treatment.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)tumor (TOO-mer)
An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumors may be benign (not cancer), or malignant (cancer). Also called neoplasm.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)
