nuclear envelope
Americannoun
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nuclear envelopes
plural
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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
"We knew that nuclear envelope proteins were important for DNA repair across most of these organisms, so we wondered how to explain the limited mobility of damaged DNA in mammalian cells," Mekhail says.
From Science Daily ● Apr. 17, 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
Normal cells use the nuclear envelope tubules to repair DNA, but cancer cells appear to need them more.
From Science Daily ● Apr. 17, 2024
Thousands of tiny nuclear pores in the nuclear envelope provide a passageway.
From Science Daily ● Jan. 25, 2024
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.
