endodermal sinus tumor
n.
A malignant neoplasm occurring in the gonads, in sacrococcygeal teratomas, and in the mediastinum and producing alpha-fetoprotein. Also called yolk-sac tumor.
A malignant neoplasm occurring in the gonads, in sacrococcygeal teratomas, and in the mediastinum and producing alpha-fetoprotein. Also called yolk-sac tumor.
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