endocytosis

American  

[en-doh-sahy-toh-sis] / ˌɛn doʊ saɪˈtoʊ sɪs /

noun

Physiology.

1. the transport of solid matter or liquid into a cell by means of a coated vacuole or vesicle (distinguished from exocytosis).

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endocytosis British  

/ ˌɛndəʊsaɪˈtəʊsɪs /

noun

1. the process by which a living cell takes up molecules bound to its surface

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Other Word Forms

• endocytic
  adjective
• endocytotic
  adjective

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Etymology

Origin of endocytosis

1960–65; endo- + -cyte + -osis, perhaps on the model of phagocytosis

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Compare meaning

How does endocytosis compare to similar and commonly confused words? Explore the most common comparisons:

• endocytosis vs. exocytosis

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Example Sentences

See Examples For:

endocytosis

"When endocytosis -- this nutrient uptake and regulation -- goes wrong, then there's protein aggregation that will build up in the brain, which is the hallmark of neurodegenerative diseases such as Alzheimer's and Parkinson's."

From Science Daily ● Jul. 15, 2026

In the new study, Zhou and colleagues used super-resolution imaging on neurons grown in the laboratory and found that the MPS behaves more like a cellular traffic controller, regulating all major forms of endocytosis.

From Science Daily ● Jul. 15, 2026

Once Migrions reach a new cell, they enter through endocytosis without relying on specific cell surface receptors.

From Science Daily ● Jan. 5, 2026

Many enveloped viruses enter the cell by receptor-mediated endocytosis in a fashion similar to some non-enveloped viruses.

From Textbooks ● Jun. 9, 2022

Plant and animal viruses can enter their cells through endocytosis, in which the cell membrane surrounds and engulfs the entire virus.

From Textbooks ● Apr. 25, 2013

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