polydactyly

polydactyly definition - medical

pol·y·dac·ty·ly (pŏlˌē-dăkˈtə-lē) or pol·y·dac·tyl·ism (-tə-lĭzˌəm)

noun
A condition characterized by the presence of more than five digits on a hand or foot. Also called hyperdactyly.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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