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chemoattractant

British  
/ ˌkɛməʊəˈtræktənt /

noun

  1. a chemical substance that provokes chemotaxis, esp one that causes a bacterium to move in the direction in which its concentration is increasing

"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

Example Sentences

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But released α-synuclein might also have detrimental roles by inducing inflammation directly44, 45, 46, by acting as a chemoattractant that draws inflammatory microglia towards damaged neurons47 or by helping to spread PD pathology.

From Nature • Nov. 8, 2016

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