Medical Dictionary

Hirudinidae

noun plural Hir·u·din·i·dae \ ˌhir-(y)ə-ˈdin-ə-ˌdē \

medical Definition of Hirudinidae

: a family of aquatic leeches that have 5-ringed segments, 5 pairs of eyes, and usually 3-toothed jaws and that include the common medicinal leech

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