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.
They observed that progerin, which first appears near the nuclear envelope, can move into the cell's cytoplasm through a process called nuclear envelope budding.
From Science Daily • Nov. 7, 2025
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
Thousands of tiny nuclear pores in the nuclear envelope provide a passageway.
From Science Daily • Jan. 25, 2024
Until now, it has remained a mystery exactly how the entire capsid moves through the pores embedded in the nuclear envelope to enter the nucleus.
From Science Daily • Jan. 24, 2024
The nuclear envelope starts to break into small vesicles, and the Golgi apparatus and endoplasmic reticulum fragment and disperse to the periphery of the cell.
From Textbooks • Apr. 25, 2013
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.
