| crotalid venom | <herpetology> 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-, haemo-, cyto-, and neurotoxins, and many enzymes, especially phospholipases a. Many of the toxins have been characterised. (12 Dec 1998) |
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| direct lytic factor of cobra venom | A polypeptide of 62 residues; action on cells is similar to that of melittin in that it promotes disruption of membranes; used as an investigational antirheumatic agent. Synonym: cobra toxin, direct lytic factor of cobra venom. (05 Mar 2000) |
| kokoi venom | A potent neurotoxin found in the frog Phyllobates bicolor; it is a nonprotein compound with a molecular weight of approximately 400, and is lethal in microgram quantities. (05 Mar 2000) |