Venoms from snakes of the subfamily Crotalinae or pit vipers, found mostly in the Americas. They include the rattlesnake, cottonmouth, fer-de-lance, bushmaster, and American copperhead. Their venoms contain nontoxic proteins, cardio-, hemo-, cyto-, and neurotoxins, and many enzymes, especially phospholipases A. Many of the toxins have been characterized.

Synonyms: Snake Venom, Crotaline, Venom, Bothrops jararaca, Venom, Crotalid, Venoms, Crotalid, Pit Viper Venoms, Venom, Crotaline Snake, Crotaline Snake Venom, Rattlesnake Venom, Rattlesnake Venoms, Bothrops Venom, Pit Viper Venom, Venom, Rattlesnake, Viper Venom, Pit, Venoms, Pit Viper, Crotalid Venom, Crotalid Venoms, Crotamin, Crotalin, Venom, Bothrops, 0, Venom, Pit Viper, Crotalotoxin, Crotactin, Bothrops jararaca Venom, Venoms, Rattlesnake