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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 (distinguished from 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

Etymology

Origin of exocytosis

1960–65; exo- + -cyte + -osis; cf. 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.

See Examples For:

Choose the statement that describes processes of receptor-mediated endocytosis, exocytosis, and the changes in the membrane organization.

From Textbooks Jun. 9, 2022

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

From Textbooks Jun. 9, 2022

Potocytosis is a form of exocytosis where molecules are transported via clathrin-coated vesicles.

From Textbooks Jun. 9, 2022

Contractile vacuoles excrete excess water and waste by the process of exocytosis, in which the vacuoles merge with the cell membrane and expel wastes into the environment.

From Textbooks Jun. 9, 2022

Significant progress has been made recently in directly measuring the number of dopamine molecules stored in individual vesicles and the amount actually released when the vesicle undergoes exocytosis.

From Textbooks Feb. 14, 2019

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