exocytosis

noun
exo·​cy·​to·​sis | \ ˌek-sō-sī-ˈtō-səs How to pronounce exocytosis (audio) \
plural exocytoses\ ˌek-​sō-​sī-​ˈtō-​ˌsēz How to pronounce exocytoses (audio) \

Definition of exocytosis

: the release of cellular substances (such as secretory products) contained in cell vesicles by fusion of the vesicular membrane with the plasma membrane and subsequent release of the contents to the exterior of the cell

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Other Words from exocytosis

exocytotic \ ˌek-​sō-​sī-​ˈtä-​tik How to pronounce exocytotic (audio) \ adjective

Examples of exocytosis in a Sentence

Recent Examples on the Web Once packaged, coronaviruses leave their host cell via an export system that's normally used to send material to the cell's surface (a process called exocytosis). John Timmer, Ars Technica, "COVID-19: the biology of an effective therapy," 20 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exocytosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of exocytosis

1963, in the meaning defined above

History and Etymology for exocytosis

New Latin, from exo- + cyt- + -osis

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Time Traveler for exocytosis

Time Traveler

The first known use of exocytosis was in 1963

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Cite this Entry

“Exocytosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exocytosis. Accessed 3 Aug. 2020.

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More Definitions for exocytosis

exocytosis

noun
exo·​cy·​to·​sis | \ ˌek-sō-sī-ˈtō-səs How to pronounce exocytosis (audio) \
plural exocytoses\ -​ˌsēz How to pronounce exocytoses (audio) \

Medical Definition of exocytosis

: the release of cellular substances (as secretory products) contained in cell vesicles by fusion of the vesicular membrane with the plasma membrane and subsequent release of the contents to the exterior of the cell

Other Words from exocytosis

exocytotic \ -​ˈtät-​ik How to pronounce exocytotic (audio) \ adjective

More from Merriam-Webster on exocytosis

Britannica.com: Encyclopedia article about exocytosis

Comments on exocytosis

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