extracellular
adjective
ex·tra·cel·lu·lar
ˌek-strə-ˈsel-yə-lər 
: 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
Here, cells face complex mechanical challenges, such as navigating through the extracellular matrix and breaching blood vessel walls to metastasize, and require rapid adaptation systems in place, to ensure survival and fitness on the go.
—
New Atlas, 3 Aug. 2025
Propagation of senescent phenotypes by extracellular HMGB1 is dependent on its redox state.
—Lucy Notarantonio, MSNBC Newsweek, 26 June 2025
In any formula, retinol works by speeding up cellular turnover and stimulating the extracellular matrix, which thins with age.
—Deanna Pai, Vogue, 30 July 2025
These tiny particles, called extracellular vesicles (EVs), naturally come from cells and are packed with proteins and genetic material.
—Jenny Lehmann, Discover Magazine, 28 July 2025
See All Example Sentences for extracellular
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New Atlas, 3 Aug. 2025
Propagation of senescent phenotypes by extracellular HMGB1 is dependent on its redox state.
—Lucy Notarantonio, MSNBC Newsweek, 26 June 2025
In any formula, retinol works by speeding up cellular turnover and stimulating the extracellular matrix, which thins with age.
—Deanna Pai, Vogue, 30 July 2025
These tiny particles, called extracellular vesicles (EVs), naturally come from cells and are packed with proteins and genetic material.
—Jenny Lehmann, Discover Magazine, 28 July 2025
See All Example Sentences for extracellular
Cite this Entry
“Extracellular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extracellular. Accessed 20 Aug. 2025.
Copy CitationKids Definition
extracellular
adjective
ex·tra·cel·lu·lar
ˌek-strə-ˈsel-yə-lər
: 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
: situated or occurring outside a cell or the cells of the body
extracellular digestion
extracellular enzymes
extracellularly
adverb
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