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endodermal sinus tumor in Medicine

endodermal sinus tumor

n.
  1. A malignant neoplasm occurring in the gonads, in sacrococcygeal teratomas, and in the mediastinum and producing alpha-fetoprotein.yolk-sac tumor
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.