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Arachnids, basic features

Arachnids, basic features

Overview

This picture shows the basic features of spiders (arachnids).

Review Date 7/9/2017

Updated by: Jacob L. Heller, MD, MHA, Emergency Medicine, Emeritus, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.