macronucleus

macronucleus definition - medical

mac·ro·nu·cle·us (măkˌrō-no͞oˈklē-əs)

noun
The larger of two nuclei present in ciliate protozoans, which controls the nonreproductive functions of the cell.

Related Forms:

  • macˌro·nuˈcle·ar adjective

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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