en·​do·​cy·​to·​sis | \ ˌen-də-sī-ˈtō-səs How to pronounce endocytosis (audio) \

Definition of endocytosis

: incorporation of substances into a cell by phagocytosis or pinocytosis

Other Words from endocytosis

endocytotic \ ˌen-​də-​sī-​ˈtä-​tik How to pronounce endocytosis (audio) \ adjective

Examples of endocytosis in a Sentence

Recent Examples on the Web In a process called endocytosis, the neuron folds back on itself, creating a pocket that entraps the AP2A2. Rebecca Coffey, Forbes, 27 Oct. 2021 The Organic Method Primer shows microscope photos of this endocytosis process happening. Dallas News, 28 Sep. 2020 In addition, the researchers report for the first time that bile acids also stimulate endocytosis in the small intestine. Houston Chronicle, 3 Jan. 2020 Once attached, the viral particle gets essentially engulfed by the cell, a process called endocytosis. Beth Mole, Ars Technica, 9 Dec. 2017

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

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First Known Use of endocytosis

1963, in the meaning defined above

History and Etymology for endocytosis

New Latin, from end- + -cytosis (as in phagocytosis)

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Time Traveler for endocytosis

Time Traveler

The first known use of endocytosis was in 1963

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Last Updated

8 Nov 2021

Cite this Entry

“Endocytosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endocytosis. Accessed 26 Nov. 2021.

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More Definitions for endocytosis


en·​do·​cy·​to·​sis | \ -sī-ˈtō-səs How to pronounce endocytosis (audio) \
plural endocytoses\ -​ˌsēz How to pronounce endocytosis (audio) \

Medical Definition of endocytosis

: incorporation of substances into a cell by phagocytosis or pinocytosis

Other Words from endocytosis

endocytose \ -​ˈsī-​ˌtōs, -​ˌtōz How to pronounce endocytosis (audio) \ transitive verb endocytosed; endocytosing
endocytotic \ -​sī-​ˈtät-​ik How to pronounce endocytosis (audio) \ adjective

More from Merriam-Webster on endocytosis

Britannica.com: Encyclopedia article about endocytosis


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