micronucleus

[ mahy-kroh-noo-klee-uhs, -nyoo- ]

/ ˌmaɪ kroʊˈnu kli əs, -ˈnyu- /

noun, plural mi·cro·nu·cle·i [mahy-kroh-noo-klee-ahy, -nyoo-]. /ˌmaɪ kroʊˈnu kliˌaɪ, -ˈnyu-/. Biology.

the smaller of the two types of nuclei occurring in ciliate protozoans.

Compare macronucleus.

Origin of micronucleus

First recorded in 1890–95; micro- + nucleus

OTHER WORDS FROM micronucleus

mi·cro·nu·cle·ar, adjective

Words nearby micronucleus

Micronesia, Micronesian, micronize, micronodular, micronucleate, micronucleus, micronutrient, micronychia, microorganism, microorganisms, micropalaeontology

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for micronucleus

In the latter case it is often called the paranucleus or micronucleus.
A Guide for the Study of Animals|Worrallo Whitney
The macronucleus is spherical and has one micronucleus attached.
Marine Protozoa from Woods Hole|Gary N. Calkins
The macronucleus is usually single, elliptical in form, and centrally placed; one micronucleus.
Marine Protozoa from Woods Hole|Gary N. Calkins
The macronucleus is spherical, centrally placed, and with one micronucleus closely applied.
Marine Protozoa from Woods Hole|Gary N. Calkins

Both the small nucleus (micronucleus) and the large nucleus (macronucleus) divide at each division of the body.
A Critique of the Theory of Evolution|Thomas Hunt Morgan

British Dictionary definitions for micronucleus

micronucleus

/ (ˌmaɪkrəʊˈnjuːklɪəs) /

noun plural -clei (-klɪˌaɪ) or -cleuses

the smaller of two nuclei in ciliated protozoans, involved in reproductionCompare macronucleus

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for micronucleus

micronucleus

[ mī′krō-nōō′klē-əs ]

n.

A minute nucleus.

The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction.

单词	micronucleus
释义	micronucleus [ mahy-kroh-noo-klee-uhs, -nyoo- ] / ˌmaɪ kroʊˈnu kli əs, -ˈnyu- / noun, plural mi·cro·nu·cle·i [mahy-kroh-noo-klee-ahy, -nyoo-]. /ˌmaɪ kroʊˈnu kliˌaɪ, -ˈnyu-/. Biology. the smaller of the two types of nuclei occurring in ciliate protozoans. Compare macronucleus. Origin of micronucleus First recorded in 1890–95; micro- + nucleus OTHER WORDS FROM micronucleus mi·cro·nu·cle·ar, adjective Words nearby micronucleus Micronesia, Micronesian, micronize, micronodular, micronucleate, micronucleus, micronutrient, micronychia, microorganism, microorganisms, micropalaeontology Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for micronucleus In the latter case it is often called the paranucleus or micronucleus. A Guide for the Study of Animals\|Worrallo Whitney The macronucleus is spherical and has one micronucleus attached. Marine Protozoa from Woods Hole\|Gary N. Calkins The macronucleus is usually single, elliptical in form, and centrally placed; one micronucleus. Marine Protozoa from Woods Hole\|Gary N. Calkins The macronucleus is spherical, centrally placed, and with one micronucleus closely applied. Marine Protozoa from Woods Hole\|Gary N. Calkins Both the small nucleus (micronucleus) and the large nucleus (macronucleus) divide at each division of the body. A Critique of the Theory of Evolution\|Thomas Hunt Morgan British Dictionary definitions for micronucleus micronucleus / (ˌmaɪkrəʊˈnjuːklɪəs) / noun plural -clei (-klɪˌaɪ) or -cleuses the smaller of two nuclei in ciliated protozoans, involved in reproductionCompare macronucleus Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for micronucleus micronucleus [ mī′krō-nōō′klē-əs ] n. A minute nucleus. The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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