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Encyclopedia > Venom (poison)
It has been suggested that Snake poison be merged into this article or section. (Discuss)
Wasp stinger, with droplet of venom
Wasp stinger, with droplet of venom

"Venom" is a general term for the poisons used by several groups of animal species, for the purpose of defense and hunting prey. Most widely known are snakes, some species of which inject venom into their prey through hollow fangs, spiders, which also inject venom through "fangs", scorpions, and stinging insects, which inject venom with a sting (which is in fact a modified egg-laying device - the ovipositor). Image File history File links Please see the file description page for further information. ... This article needs cleanup. ... Image File history File links wasp stinger closeup, venom droplet Image copyleft: Image taken by me, released under GFDL, Pollinator 05:05, Jan 16, 2005 (UTC) This image is now on commons at commons:Image:Waspstinger1658-2. ... Image File history File links wasp stinger closeup, venom droplet Image copyleft: Image taken by me, released under GFDL, Pollinator 05:05, Jan 16, 2005 (UTC) This image is now on commons at commons:Image:Waspstinger1658-2. ... WASP (an acronym for White Anglo-Saxon Protestant) is a term that denotes the culture, customs, and heritage of the American élite Establishment. ... The skull and crossbones symbol traditionally used to label a poisonous substance. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Superfamilies and Families Henophidia Aniliidae Anomochilidae Boidae Bolyeriidae Cylindrophiidae Loxocemidae Pythonidae Tropidophiidae Uropeltidae Xenopeltidae Typhlopoidea Anomalepididae Leptotyphlopidae Typhlopidae Xenophidia Acrochordidae Atractaspididae Colubridae Elapidae Hydrophiidae Viperidae Snakes are cold blooded legless reptiles closely related to lizards, which share the order Squamata. ... Types of teeth Molars are used for grinding up foods Carnassials are used for slicing food. ... Families Suborder Mesothelae     Liphistiidae (primitive burrowing spiders) Suborder Mygalomorphae     Atypidae (atypical tarantula)     Antrodiaetidae (folding trapdoor spider)     Mecicobothriidae (dwarf tarantulas)     Hexathelidae (venomous funnel-web tarantula)     Dipluridae (funnel-web tarantula)     Cyrtaucheniidae (wafer trapdoor spider)     Ctenizidae (trapdoor spider)     Theraphosidae (tarantula) Suborder Araneomorphae     Hypochilidae (lampshade spider)     Filistatidae (crevice weaver)     Sicariidae (recluse spider)     Scytodidae (spitting... Superfamilies Pseudochactoidea Buthoidea Chaeriloidea Chactoidea Iuroidea Scorpionoidea See the classification section for families. ... Classes & Orders Subclass: Apterygota Orders Archaeognatha (Bristletails) Thysanura (Silverfish) Monura - extinct Subclass: Pterygota Infraclass: Paleoptera (paraphyletic) Orders Ephemeroptera (mayflies) Protodonata - extinct Odonata (dragonflies and damselflies) Diaphanopteroidea - extinct Palaeodictyoptera - extinct Megasecoptera - extinct Archodonata - extinct Infraclass: Neoptera Orders Blattodea (cockroaches) Isoptera (termites) Mantodea (mantids) Dermaptera (earwigs) Plecoptera (stoneflies) Protorthoptera - extinct Orthoptera (grasshoppers...

Bees use an acidic venom designed to cause pain to the stung, because their purpose is to defend their home and food stores, while wasps use a chemically different venom designed to paralyze the prey, so it can be stored alive in the food chambers of their young. The use of venom is much more widespread than just these examples, of course.

It is important to note the difference between venomous and poisonous, which are two commonly confused terms with regards to plant and animal life. Venomous, as stated above, refers to animals who inject venom into their prey or as a self-defense mechanism while the organism is still alive. Poisonous, on the other hand, refers to plants or animals that are harmful when consumed or touched. This article is about the dangerous substance. ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Injection has multiple meanings: In mathematics, the term injection refers to an injective function. ... Prey can refer to: Look up Prey in Wiktionary, the free dictionary A prey animal eaten by a predator in an act called predation. ... Self defense refers to actions taken by a person to defend onself, ones property or ones home. ...

Snake venom

See Snake poison

Snake venom is produced by glands below the eye and delivered to the victim through tubular or channelled fangs. Snake poisons contain a variety of peptide toxins. Snakes use their venom principally for hunting, though the threat of being bitten is used for defence. Snake bites cause pain, swelling, tissue damage, low blood pressure and convulsions (according to the species of snake). This article needs cleanup. ...

Antivenin is used in the treatment of venomous bites. It is created by injecting a small amount of the targeted venom into an animal such as a sheep, horse, goat, or rabbit; the subject animal will suffer an immune response to the venom, producing antibodies against the venom's active molecule which can then be harvested from the animal's blood and used to treat envenomation in others. This treatment may only be used on a given person a certain number of times, however, as that person will develop their own antibodies against the foreign animal antibodies injected into them. Even if that person doesn't have a serious allergic reaction to the antivenin, his or her own immune system can destroy the antivenin before the antivenin can destroy the venom. Though most people never require one treatment of antivenin in their lifetime, let alone several, people who work with snakes or other poisonous animals may. Luckily, these people often develop enough antibodies of their own against the venom of whatever animals they handle to become immune themselves, without needing the help of non-human antibodies. Antivenom (or antivenin, or antivenene) is a biological product used in the treatment of venomous bites. ... Species See text A Sheep is a mammal, one of several woolly ruminant quadrupeds in the genus Ovis. ... Binomial name Equus caballus Linnaeus, 1758 The Horse (Equus caballus) is a sizeable ungulate mammal, one of the seven modern species of the genus Equus. ... Species See Species and subspecies A goat is a mammal in the genus Capra, which consists of nine species: the Ibex, the West Caucasian Tur, the East Caucasian Tur, the Markhor, and the Wild Goat. ... Genera Pentalagus Bunolagus Nesolagus Romerolagus Brachylagus Sylvilagus Oryctolagus Poelagus The bane of Australian farmers - the wild rabbit Rabbits are small mammals in the family Leporidae, found in many parts of the world. ... Wikipedia does not yet have an article with this exact name. ...

See also

  Results from FactBites:
Bites and Stings Treatment - The Extractor Pump (245 words)
Removes venom and poison when you are bitten.
The Extractor Pump is an easy to use suction pump which can safely and quickly remove significant quantities of venom (poison) or irritants from bites and stings.
The Extractor™ removes the poisons which cause the pain, reducing the health risk and lessening the chance of severe allergic reaction to the bite or sting.
Venom - MSN Encarta (403 words)
Venom, poison of animal origin, usually restricted to poisons that are administered by biting or stinging and used to capture—and, sometimes, aid in digesting—prey, or for defense.
The severity of a venom's effects depends on several factors, such as its chemical nature, the stinging or biting mechanism involved, the amount of venom delivered, and the size and condition of the victim.
Venoms themselves have occasional medicinal uses; for example, some are used as painkillers in cases of arthritis or cancer, and some serve as coagulants for people with hemophilia.
  More results at FactBites »



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