Dictionary of Cancer Terms
View in Spanish: No seminoma
Nonseminoma (NON-seh-mih-NOH-muh)
A group of testicular cancers that begin in the germ cells (cells that give rise to sperm). Nonseminomas are identified by the type of cell in which they begin and include embryonal carcinoma, teratoma, choriocarcinoma, and yolk sac carcinoma.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.