Vascular lesions
Vascular lesions caused by the leeches on the blood vessels of their host cause blood naturally to coagulate. How does the leech resolve this trouble as it could be predicted that the ingested blood would coagulate within its body?
Expert
Ingested blood doesn’t coagulate within the leech (that is, Hirudo medicinalis) as in its saliva there is a potent anticoagulant substance, a protein termed as hirudin.
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