poison glands

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poison glands:

see venomvenom
or zootoxin,
any of a variety of poisonous substances produced by animals. In poisonous snakes, venom is secreted in two poison glands, one on each side of the upper jaw, and enters the fang by a duct.
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References in periodicals archive ?
Ultrastructure of poison glands of South American frogs: A comparison between Physalaemus albonotatus and Leptodactylus chaquensis (Anura: Leptodactylidae).
The toad's two large poison glands can kill a predator within 15 minutes of an attempted attack on the toad.
He strongly denied as A"false rumoursA" that the charmers remove the fangs and poison glands of the snakes.