| Main Entry: | nuclear pore |
| Part of Speech: | n |
| Definition: | 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 |
| Example: | Nuclear pores are generated by a large protein assembly. |
nuclear pore n.
An octagonal opening where the inner and outer membranes of the nuclear envelope are continuous.