Lifespan's A - Z Health Information Library

 

Poisonous snakes

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Rattlesnake
Rattlesnake

This is a rattlesnake.

Defining features
Defining features

The top row displays the defining features of a rattlesnake. From left to right, a rattle on the tail, a triangular head, and hinged fangs.

Underbelly
Underbelly

One way to determine if a snake is venomous is to look at its underbelly. If there is a single row of scales leading to the anal plate, the snake is venomous.


Review Date: 5/15/2006
Reviewed By: Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY. Review provided by VeriMed Healthcare Network.
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