Definition, Meaning & Synonyms

exocytosis

Noun
/ˌɛksoʊsaɪˈtoʊsɪs/
Definition
Exocytosis is the process by which cells transport molecules out of the cell by means of vesicles that fuse with the plasma membrane.
Examples
  • Exocytosis is crucial for the release of insulin from pancreatic cells.
  • During exocytosis, neurotransmitters are released into the synaptic cleft.
  • Cells utilize exocytosis to expel waste materials and maintain homeostasis.
Meaning
It refers to the mechanism cells use to expel substances such as hormones, neurotransmitters, or waste products.
Synonyms
  • Cell secretion
  • Vesicular transport