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A genus of leeches (class Hirudinea, family Gnathobdellidae). Species previously used in medicine are: Hirudo australis, Australian leech; Hirudo decora, American leech; Hirudo interrupta or Hirudo troctina, a North African leech; Hirudo medicinalis, speckled, Swedish, or German leech, the species previously in most general use; Hirudo m. officinalis, a variety of the preceding; Hirudo provincialis, the green or Hungarian leech; Hirudo quinquestriata, five-striped leech.
Hirudo/Hi·ru·do/ (hĭ-roo´do) [L.] a genus of leeches, including H. medicina´lis, which have been used extensively for drawing blood.
A genus of leeches; used in traditional medicine for blood letting or as an antithrombin.
a genus of leeches in the class Hirudinea.
up to 5 inches long and 1 inch diameter, this greenish leech may attach to animals. Used medicinally.