Medical Dictionary

germinoma

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noun ger·mi·no·ma \ ˌjər-mə-ˈnō-mə \

medical Definition of germinoma

plural germinomas
:a malignant tumor (as of the ovary, testis, mediastinum, or pineal gland) that originates from undifferentiated embryonic germ cells — see dysgerminoma, seminoma

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