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polyphyletic

 
Dictionary: pol·y·phy·let·ic   (pŏl'ē-fī-lĕt'ĭk) pronunciation
adj.
Relating to or characterized by development from more than one ancestral type.

polyphyletically pol'y·phy·let'i·cal·ly adv.

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Medical Dictionary: pol·y·phy·let·ic
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(pŏl'ē-fī-lĕt'ĭk)
adj.
  1. Descended or derived from more than one ancestral stock or source.
  2. Of or being the theory that blood cells are derived from several different stem cells, depending on the particular blood cell type.
pol'y·phy'le·tism (-fī'lĭ-tĭz'əm) n.
 
 
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polygenetic
monophyletic
Lepidocentroida (invertebrate zoology)

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company Read more

 

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