Nuclear envelope
Nuclear membrane surrounding the nucleus in eukaryotic cells / From Wikipedia, the free encyclopedia
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The nuclear envelope, also known as the nuclear membrane,[1][lower-alpha 1] is made up of two lipid bilayer membranes that in eukaryotic cells surround the nucleus, which encloses the genetic material.
Nuclear envelope | |
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Identifiers | |
TH | H1.00.01.2.01001 |
FMA | 63888 |
Anatomical terminology |
The nuclear envelope consists of two lipid bilayer membranes: an inner nuclear membrane and an outer nuclear membrane.[4] The space between the membranes is called the perinuclear space. It is usually about 10–50 nm wide.[5][6] The outer nuclear membrane is continuous with the endoplasmic reticulum membrane.[4] The nuclear envelope has many nuclear pores that allow materials to move between the cytosol and the nucleus.[4] Intermediate filament proteins called lamins form a structure called the nuclear lamina on the inner aspect of the inner nuclear membrane and give structural support to the nucleus.[4]