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Key terms: leeches blood bites feed skin wound removal jaw species crop attached amino anterior prevent protein medical humans enzyme tail soap stay digestion venous normal insect bacteria socks armed teeth secrete reduce humors detach posterior proboscis tissues bloodletting swelling segments habitats reproductive repellent freshwater leech bites some species anticoagulant medical leech use of leeches north american european medical Search external links cited by footnotes on Wikipedia page Leech: |
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