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Nuclear envelope

Synonym(s)

  • karyotheca
  • nuclear membrane
  • nucleolemma
  • perinuclear envelope

Definition(s)

A double membrane enclosing a cell nucleus and having its outer part continuous with the endoplasmic reticulum -- called also karyotheca.

Definition from: Merriam-Webster's Medical DictionaryThis link leads to a site outside Genetics Home Reference. by Merriam-Webster Inc.

A nuclear membrane is a double membrane that encloses the cell nucleus. It serves to separate the chromosomes from the rest of the cell. The nuclear membrane includes an array of small holes or pores that permit the passage of certain materials, such as nucleic acids and proteins, between the nucleus and cytoplasm.

Definition from: Talking Glossary of Genetic TermsThis link leads to a site outside Genetics Home Reference. from the National Human Genome Research Institute

Related discussion in the Handbook

See also Understanding Medical Terminology.

 
Published: September 29, 2014