porosome

P3O1R1O1S1O1M3E1

noun

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

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Meanings

nounporosome (plural porosomes)

plural porosomes

  1. biologyAny of many cup-shaped structures in the cell membranes of eukaryotic cells where vesicles dock in the process of vesicle fusion and secretion.

Origin

From poro- + -some.

Full word history & related roots →
Cite this entry
APA

porosome. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/porosome

MLA

“porosome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/porosome. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “porosome,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/porosome.

Source: porosome on Wiktionary, CC BY-SA 4.0.