macronucleus
Americannoun
noun
Other Word Forms
Etymology
Origin of macronucleus
From New Latin, dating back to 1890–95; see origin at macro-, nucleus
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The original macronucleus dissolves, and four of the micronuclei become macronuclei.
From Textbooks ● Jan. 1, 2015
This pre-micronucleus undergoes three rounds of mitosis to produce eight copies, and the original macronucleus disintegrates.
From Textbooks ● Jan. 1, 2015
The clear spot to the right is the macronucleus, and the blobs are probably storage granules of some sort.
From Scientific American ● Oct. 17, 2013
It’s this other DNA that gets removed from the macronucleus: the macronucleus is a genes-only sort of place.
From New York Times ● Feb. 10, 2010
The macronucleus is usually single, elliptical in form, and centrally placed; one micronucleus.
From Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 by Gary N. (Gary Nathan) Calkins
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
