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Venomous snakes - series—Defining features

Defining features

Overview

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.

Review Date 10/16/2017

Updated by: Jesse Borke, MD, FACEP, FAAEM, Attending Physician at FDR Medical Services/Millard Fillmore Suburban Hospital, Buffalo, NY. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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