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microglia

British

/ ˌmaɪkrəʊˈɡlɪə /

noun

one of the two types of non-nervous tissue (glia) found in the central nervous system, having macrophage activity Compare macroglia

"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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

According to the researchers, smell-related problems arise when immune cells in the brain, known as "microglia," begin removing connections between two important regions: the olfactory bulb and the locus coeruleus.

From Science Daily • Apr. 11, 2026

"This opens doors to future therapies that may activate microglia without requiring antibodies. Understanding the importance of the Fc fragment helps guide the design of next-generation Alzheimer's drugs," concludes Prof. Bart De Strooper.

From Science Daily • Mar. 17, 2026

Earlier research suggested that microglia play a role in clearing plaques, but direct proof linking their activity to lecanemab's effectiveness was missing.

From Science Daily • Mar. 17, 2026

Their research shows that a specific part of the antibody, known as the 'Fc fragment', is crucial for activating microglia -- the immune cells of the brain -, which then begin clearing these toxic deposits.

From Science Daily • Mar. 17, 2026

Normally, immune cells in the brain known as microglia help remove cellular waste.

From Science Daily • Mar. 11, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023