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extracellular

American  
[ek-struh-sel-yuh-ler] / ˌɛk strəˈsɛl jə lər /

adjective

Biology.
  1. outside a cell or cells.


extracellular British  
/ ˌɛkstrəˈsɛljʊlə /

adjective

  1. biology situated or occurring outside 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

extracellular Scientific  
/ ĕk′strə-sĕlyə-lər /
  1. Located or occurring outside a cell or cells.


Other Word Forms

Etymology

Origin of extracellular

First recorded in 1865–70; extra- + cellular

Vocabulary lists containing extracellular

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:

The team also discovered that the organoids release tiny particles called extracellular vesicles that carry cellular information.

From Science Daily Jul. 22, 2026

The team next investigated whether extracellular vesicles released by the organoids could serve as biomarkers of Alzheimer's disease or help researchers evaluate how tissue responds to treatment.

From Science Daily Jul. 22, 2026

Before and after treating the organoids with escitalopram, the scientists examined proteins inside extracellular vesicles released by the patient-derived organoids and by healthy control organoids.

From Science Daily Jul. 22, 2026

Some of the strongest shifts involved proteins linked to the extracellular matrix, which helps provide structural support for tissues and organs, including neurons in the brain.

From Science Daily May 17, 2026

All parts containing glycogen on the contrary, whether the glycogen be in the white blood corpuscles, or extracellular, are characterised by a beautiful mahogany brown colour.

From Histology of the Blood Normal and Pathological by W. Myers

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