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nuclear pore

noun

any of numerous structures with complex openings in a nuclear membrane which allow passage of molecules between the nucleus and surrounding cytoplasm; any of the numerous perforations in a nuclear membrane which allow materials to flow in and out

Examples

Nuclear pores are generated by a large protein assembly.

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nuclear pore in Medicine

nuclear pore n.
An octagonal opening where the inner and outer membranes of the nuclear envelope are continuous.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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