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The Mexican lance-headed rattlesnake [3] or lance-headed rattlesnake [4] (Crotalus polystictus) is a venomous pit viper species found in central Mexico. No subspecies is currently recognized. No subspecies is currently recognized.
Rattlesnake fangs are connected by venom ducts to large venom glands near the outer edge of the upper jaw, towards the rear of the head. When the rattlesnake bites, muscles on the sides of the venom glands contract to squeeze the venom through the ducts and into the fangs. When the fangs are not in use, they remain folded against the palate ...
The toxin was first described in detail in 1969 [4] by two Brazilian researchers from University of Campinas, Júlia Prado-Franceschi and Oswaldo Vital-Brazil.. The snake C-type lectin convulxin was reported to activate platelets in a similar way to collagen in the late 1970s, but this was only announced after the discovery of the association with the FcR γ-chain and after it was recognized ...
Crotalus is a genus of pit vipers, commonly known as rattlesnakes or rattlers, [2] in the family Viperidae.The genus is found only in the Americas from southern Canada to northern Argentina. [1]
The venom of the C. molossus is primarily hemotoxic, like that of most crotalids. However, it is only about two-thirds as toxic as western diamondback venom and is generally not fatal to humans. CroFab antivenom is often used to treat bites. Crotalus molossus has larger venom glands than most rattlesnakes in its region. Because its venom is ...
San Diego toddler Brigland Pfeffer ended up in the pediatric intensive care unit following a rattlesnake bite on his right hand. His parents were hit with a nearly $300,000 bill for his treatment ...
Common names: ridge-nosed rattlesnake, Willard's rattlesnake, Willard's rattler [4] Crotalus willardi is a venomous pit viper species found in the southwestern United States and Mexico. This snake is found mainly in the "sky island" region. [5] The IUCN reports this snake's conservation status as being of Least Concern. [1]
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