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definitions

polysymbrachydactyly

[pŏl′ē-sĭm-brăk′ē-dăk′tə-lē]
n.
  1. A congenital malformation of the hand or foot in which the shortened digits are syndactylous and polydactylous.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.