in taxon produced by produced by Serpentes venom snake venom gland snake venom Solutions or mixtures of toxic and nontoxic substances elaborated by snake (Ophidia) salivary glands for the purpose of killing prey or disabling predators and delivered by grooved or hollow fangs. They usually contain enzymes, toxins, and other factors. MESH:D012910 venenosalivary venom Wikipedia:Snake_venom UBERON:0013076