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exocytosis

American  
[ek-soh-sahy-toh-sis] / ˌɛk soʊ saɪˈtoʊ sɪs /

noun

Physiology.
  1. the transport of material out of a cell by means of a sac or vesicle that first engulfs the material and then is extruded through an opening in the cell membrane (endocytosis ).


exocytosis British  
/ ˌɛksəʊsaɪˈtəʊsɪs /

noun

  1. a process by which material is exported from a biological cell

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • exocytotic adjective

Etymology

Origin of exocytosis

1960–65; exo- + -cyte + -osis; endocytosis

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In exocytosis, waste material is enveloped in a membrane that fuses with the interior of the plasma membrane via attachment proteins.

From Textbooks • Jun. 9, 2022

Pinocytosis is a form of exocytosis used for excreting excess water.

From Textbooks • Jun. 9, 2022

It is used again in another exocytosis event.

From Textbooks • Jun. 9, 2022

Undigested remains ultimately are expelled from the cell via exocytosis.

From Textbooks • Jan. 1, 2015

The neurotransmitter is released through exocytosis of vesicles containing the neurotransmitter molecules.

From Textbooks • Apr. 25, 2013