Assertion: leech's saliva | /r/Synonym | hirudin
Facets:
Source sentences:
text: Leeches produce an enzyme in their saliva called hirudin.
text: When a leech bites into a piece of tissue, it removes small amounts of blood and injects a chemical that's present in its saliva called hirudin," says Scott Lifchez, a hand surgeon at Johns Hopkins who uses leeches a few times per year.