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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:

With additional research, she hopes extracellular vesicles might one day function as a type of liquid biopsy.

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

In the Alzheimer's mouse model, the team found extracellular vesicles containing both Arc and "sticky" Tau in brain tissue.

From Science Daily Jun. 30, 2026

Instead, it may be better to stop those toxic extracellular vesicles from entering healthy neurons.

From Science Daily Jun. 30, 2026

The enzymes of moulds, and other parasitic plants, are usually extracellular in type, being secreted for the purpose of making the material of the host plant available to the parasite.

From The Chemistry of Plant Life by Roscoe Wilfred Thatcher

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