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Vipera berus - Venom delivery apparatus. Snake venom is a highly toxic saliva [1] containing zootoxins that facilitates in the immobilization and digestion of prey. This also provides defense against threats. Snake venom is usually injected by unique fangs during a bite, though some species are also able to spit venom.
Venomous snakes are species of the suborder Serpentes that are capable of producing venom, which they use for killing prey, for defense, and to assist with digestion of their prey. The venom is typically delivered by injection using hollow or grooved fangs, although some venomous snakes lack well-developed fangs.
The Common death adder (Acanthophis antarcticus) is a highly venomous snake species with a 50–60% untreated mortality rate. [87] It is also the fastest striking venomous snake in the world. [88] A death adder can go from a strike position, to strike and envenoming their prey, and back to strike position again, in less than 0.15 seconds. [88]
Snakes are elongated, limbless reptiles of the suborder Serpentes (/ sɜːrˈpɛntiːz /). [ 2 ] Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads ...
Rattlesnakes are venomous snakes that form the genera Crotalus and Sistrurus [ 1 ] of the subfamily Crotalinae (the pit vipers). All rattlesnakes are vipers. Rattlesnakes are predators that live in a wide array of habitats, hunting small animals such as birds and rodents. Rattlesnakes receive their name from the rattle located at the end of ...
Elapidae. Elapidae (/ əˈlæpədiː /, commonly known as elapids / ˈɛləpədz /, from Ancient Greek: ἔλαψ élaps, variant of ἔλλοψ éllops "sea-fish") [6] is a family of snakes characterized by their permanently erect fangs at the front of the mouth. Most elapids are venomous, with the exception of the genus Emydocephalus.
The evolution of venom is thought to be responsible for the enormous expansion of snakes across the globe. [4][5][6] The evolutionary history of snake venom is a matter of debate. Historically, snake venom was believed to have evolved once, at the base of the Caenophidia, or derived snakes. Molecular studies published beginning in 2006 ...
94,000–125,000 per year [ 3 ] A snakebite is an injury caused by the bite of a snake, especially a venomous snake. [ 9 ] A common sign of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. [ 1 ] Sometimes venom injection from the bite may occur. [ 3 ] This may result in redness, swelling, and severe ...
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