nonseminoma

Definition / meaning of nonseminoma

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.

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Find More About 'nonseminoma'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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