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intracellular

American

[in-truh-sel-yuh-ler] / ˌɪn trəˈsɛl jə lər /

adjective

within a cell or cells.

intracellular British

/ ˌɪntrəˈsɛljʊlə /

adjective

biology situated or occurring inside a cell or cells

"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

intracellular Scientific

/ ĭn′trə-sĕl′yə-lər /

Occurring or situated within a cell or cells.

Other Word Forms

intracellularly

adverb

Etymology

Origin of intracellular

First recorded in 1875–80; intra- + cellular

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:

intracellular

FA reduced the rise in intracellular calcium caused by potassium chloride.

From Science Daily ● Jul. 30, 2026

Using metabolomics analyses, the scientists found that creatine supplementation increased intracellular ATP levels in dendritic cells.

From Science Daily ● Jul. 8, 2026

This is a common method for studying intracellular transport.

From Science Daily ● Apr. 1, 2026

This reduces intracellular calcium levels, which he calls the "master regulator of vascular tension."

From Science Daily ● Dec. 2, 2025

However, the radiation causes what he called intracellular ionization, and that is the real damage.

From "Z for Zachariah" by Robert C. O’Brien

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023