extracellular

adjective

ex·​tra·​cel·​lu·​lar ˌek-strə-ˈsel-yə-lər How to pronounce extracellular (audio)
: situated or occurring outside a cell or the cells of the body
extracellular digestion
extracellular enzymes
extracellularly adverb

Examples of extracellular in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Assays looking for circulating tumor DNA, epigenetic modifications, fragment length patterns, and different molecules, such as RNA, proteins, glycosaminoglycans, and extracellular vesicles, were being trained to catch cancer using machine learning. Sana Raoof, STAT, 4 June 2026 Exosome therapy Exosomes are nanosized extracellular vesicles that are secreted by cells and act as messengers for cell-to-cell communications. Phoebe Quinton, AJC.com, 1 June 2026 To prove its real-world power, the team partnered with Xiamen University to successfully track elusive lung cancer biomarkers (extracellular vesicles, sEVs) that are typically present at levels far too low for traditional laboratory equipment to detect. Mrigakshi Dixit, Interesting Engineering, 25 May 2026 But antibiotics also place bacteria under stress, and that stress can cause bacteria to release more extracellular vesicles carrying inflammatory molecules. Panteha Torabian, The Conversation, 14 Apr. 2026 See All Example Sentences for extracellular

Word History

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of extracellular was in 1867

Browse Nearby Words

Cite this Entry

“Extracellular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extracellular. Accessed 21 Jun. 2026.

Kids Definition

extracellular

adjective
ex·​tra·​cel·​lu·​lar ˌek-strə-ˈsel-yə-lər How to pronounce extracellular (audio)
: situated or occurring outside a cell or the cells of the body

Medical Definition

extracellular

adjective
ex·​tra·​cel·​lu·​lar ˌek-strə-ˈsel-yə-lər How to pronounce extracellular (audio)
: situated or occurring outside a cell or the cells of the body
extracellular digestion
extracellular enzymes
extracellularly adverb
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