macro-nucleus

macronucleus

[mak-roh-noo-klee-uhs, -nyoo-]
noun Biology.
the larger of the two types of nuclei occurring in ciliate protozoans, having a multiple set of chromosomes and functioning in cell metabolism and protein synthesis.
Compare micronucleus.


Origin:
1890–95; < Neo-Latin; see macro-, nucleus

macronuclear, adjective
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World English Dictionary
macronucleus (ˌmækrəʊˈnjuːklɪəs)
 
n , pl -clei
Compare micronucleus the larger of the two nuclei in ciliated protozoans

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

macronucleus mac·ro·nu·cle·us (māk'rō-nōō'klē-əs, -nyōō'-)
n.
The larger of two nuclei present in ciliate protozoans, which controls the nonreproductive functions of the cell.


mac'ro·nu'cle·ar adj.
The American Heritage® Stedman's Medical Dictionary
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