Medical Dictionary

hydrastis

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noun hy·dras·tis \hī-ˈdras-təs\

Medical Definition of hydrastis

  1. 1 capitalized :  a genus of herbs (family Ranunculaceae) having palmately lobed leaves and small greenish flowers and including the goldenseal (H. canadensis)

  2. 2:  the dried rhizome and roots of the goldenseal formerly used in pharmacy as a bitter tonic, hemostatic, and antiseptic—called also goldenseal


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to decrease in size, extent, or degree

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