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nuclear envelope

American  
[noo-klee-er en-vuh-lohp] / ˈnu kli ər ˈɛn vəˌloʊp /

noun

plural

nuclear envelopes
  1. Cell Biology. nuclear membrane.


nuclear envelope Scientific  
  1. 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.

  2. Also called nuclear membrane


Other Word Forms

  • nuclear-envelope adjective

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.

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

However, most fungi use a different form of cell division -- called 'closed' mitosis -- in which the nuclear envelope remains intact throughout the division process.

From Science Daily • May 22, 2024

Enzymes deposit a chemical mark on a specific part of the microtubule filaments, which causes them to recruit tiny motor proteins and push on the nuclear envelope.

From Science Daily • Apr. 17, 2024

In the case of the nuclear envelope, these gaps close over time or are filled in with specific pore proteins.

From Science Daily • Oct. 2, 2023

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