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Protoctista

 - 2 dictionary results
Cultural Dictionary

Protoctista [(pruh-tohk-tis-ta)]

The kingdom of organisms, mostly single celled, whose cells contain a nucleus. The amoeba is a member of this kingdom.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Protoctista Pro·toc·tis·ta (prō'tək-tĭs'tə)
n.
A taxonomic kingdom consisting of unicellular protists and their descendant multicellular organisms, considered as a separate taxonomic kingdom in most modern classification systems.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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