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micronucleus
[ mahy-kroh-noo-klee-uhs, -nyoo- ]
noun
, Biology.
, plural mi·cro·nu·cle·i [mahy-kroh-, noo, -klee-ahy, -, nyoo, -].
- the smaller of the two types of nuclei occurring in ciliate protozoans.
micronucleus
/ ˌmaɪkrəʊˈnjuːklɪəs /
noun
- the smaller of two nuclei in ciliated protozoans, involved in reproduction Compare macronucleus
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Other Words From
- micro·nucle·ar adjective
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Word History and Origins
Origin of micronucleus1
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Example Sentences
As noted, in fission the meganucleus divides by direct constriction; each micronucleus by a mode of mitosis.
From Project Gutenberg
The macronucleus is usually dorsal, elliptical, and cleft, with one micronucleus attached.
From Project Gutenberg
The macronucleus is spheroidal and placed near the center of the body; a conspicuous micronucleus lies near it.
From Project Gutenberg
The macronucleus is central, spherical in form, and bears a single minute micronucleus.
From Project Gutenberg
The macronucleus is spherical, centrally placed, and with one micronucleus closely applied.
From Project Gutenberg
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