Cell Ontology (CL)
OWL
Last submission date November 27, 2025
ID http://purl.obolibrary.org/obo/GO_0005635
http://purl.obolibrary.org/obo/GO_0005635
https://agroportal.lirmm.fr/ontologies/CL/GO_0005635
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Preferred name

nuclear envelope

Definitions
The double lipid bilayer that encloses the nucleus, separating its contents from the cytoplasm. It consists of an inner and outer nuclear membrane, with an intermembrane space (20-40 nm wide, also called the perinuclear space) between them. The envelope is supported by the nuclear lamina and contains nuclear pore complexes, which regulate molecular transport.
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