Venom types. Among the major classes of toxin in venoms are: Venom is widely distributed taxonomically, being found in both invertebrates and vertebrates; in aquatic and terrestrial animals; and among both predators and prey. The major groups of venomous animals are described below. Venomous arthropods include spiders, which use fangs — part of their chelicerae — to inject venom; and centipedes, which use forcipules — modified legs — to deliver venom; along with scorpions and stinging insects, which inject venom with a sting. In insects such as bees and wasps, the stinger is a modified egg-laying device — the ovipositor. In
Venom 76,000 deaths in 1990. Venoms, found in over 173,000 species, have potential to treat a wide range of diseases, explored in over 5,000 scientific papers. Snake venoms contain proteins which can be used to treat conditions including thrombosis, arthritis, and some cancers. Gila monster venom contains exenatide, used to treat type 2 diabetes. Venom Venom is a secretion containing one or more toxins produced by an animal to cause harm to another. Venom has evolved in a wide variety of animals, both predators and prey, and both vertebrates and invertebrates. Venoms kill through the action of at least four major