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The membrane system of the CELL NUCLEUS that surrounds the nucleoplasm. It consists of two concentric membranes separated by the perinuclear space. The structures of the envelope where it opens to the cytoplasm are called the nuclear pores (NUCLEAR PORE).
Entry Term(s)
Nuclear Membrane
NLM Classification #
QU 350
Previous Indexing
Cell Membrane (1966-1976)
Cell Nucleus (1966-1976)
Membranes (1968-1976)
Public MeSH Note
2001; for NUCLEAR ENVELOPE see NUCLEAR MEMBRANE 1977-2000
The membrane system of the CELL NUCLEUS that surrounds the nucleoplasm. It consists of two concentric membranes separated by the perinuclear space. The structures of the envelope where it opens to the cytoplasm are called the nuclear pores (NUCLEAR PORE).