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intracellular

American

[in-truh-sel-yuh-ler] / ˌɪn trəˈsɛl yə 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

Derived 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.

One limitation of the study was that researchers could only observe intracellular signaling in brain tissue for a few hours at a time.

From Science Daily • May 25, 2026

The drugs appear to slow down immune activity by suppressing intracellular signaling of these cytokines.

From Science Daily • Jun. 6, 2024

They found that breast cancer cells lacking BKCa had lower intracellular calcium levels.

From Science Daily • Jun. 4, 2024

However, further studies are needed to deepen knowledge of the molecular regulatory mechanisms and intracellular signaling pathways.

From Science Daily • May 14, 2024

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

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

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