Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology Any of many cup-shaped structures in the cell membranes of eukaryotic cells where vesicles dock in the process of vesicle fusion and secretion.

Etymologies

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Examples

  • He discovered a new cellular structure -- the porosome -- as well as his elucidation of the general molecular mechanism underlying cell secretion and membrane fusion.

    Model D

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