nuclear envelope

nuclear membrane

noun Biology.
the double membrane surrounding the nucleus within a cell.
Also called nuclear envelope.


Origin:
1885–90

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To nuclear envelope
American Heritage
Medical Dictionary

nuclear envelope n.
See nuclear membrane.

nuclear membrane n.
The double-layered membrane enclosing the nucleus of a cell. Also called nuclear envelope.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
nuclear envelope  
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. Also called nuclear membrane.
nuclear membrane  
See nuclear envelope.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature