Citation

Citeli N, Monteiro W, Bernarde P. Wilderness Environ. Med. 2022; ePub(ePub): ePub.

Copyright

(Copyright © 2022, Elsevier Publishing)

DOI

10.1016/j.wem.2022.02.010

PMID

35400570

Abstract

Snakes have the most diverse venom-delivery system of all vertebrates. Among the advanced snakes (Caenophidia) that occur in Brazil, there are 2 families that are known as "true venomous snakes" (ie, front-fanged snakes)--Elapidae and Viperidae. There are also several other families that contain non-front-fanged species (NFFC) commonly considered "nonvenomous"--the Dipsadidae and the Colubridae are prominent. The Brazilian NFFC are a heterogeneous assemblage of snakes with several types of oral glands, such as supralabial, infralabial, and Duvernoy's glands, which are composed of mucous and serous cells that produces toxic secretions and venom...

Language: en