Venoms,Pit Viper

《英文msh词典》Venoms,Pit Viper
[入口词] Venoms,Pit Viper
[主题词] Crotalid Venoms
[英文释义] 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.