nuclear envelope
Americannoun
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The double-layered membrane enclosing the nucleus of a eukaryotic cell. The nuclear envelope has pores that allow the passage of materials into and out of the nucleus.
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Also called nuclear membrane
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Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Most animal cells undergo 'open' mitosis, in which the nuclear envelope -- the two-layered membrane separating the nucleus from the rest of the cell -- breaks down when cell division begins.
From Science Daily ● May 22, 2024
In 2015, Mekhail and collaborators showed how motor proteins deep inside the nucleus of yeast cells transport double-strand breaks to 'DNA hospital-like' protein complexes embedded in the nuclear envelope at the edge of the nucleus.
From Science Daily ● Apr. 17, 2024
During cell division -- mitosis -- the membrane that protects the cell's nucleus, the nuclear envelope, breaks down and cGAS quickly relocates into the nucleus.
From Science Daily ● Feb. 28, 2024
Its nuclear envelope prevents unwanted proteins or harmful viruses from entering the nucleus and macromolecules from an uncontrolled escape.
From Science Daily ● Jan. 25, 2024
"It looks like only chromosomal DNA is deemed 'good enough' to be encased within a fully formed nuclear envelope, and extra-chromosomal DNA is not," Kroschewski says.
From Science Daily ● Oct. 2, 2023
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.
