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lipofuscin

American  
[lip-uh-fuhs-in, lahy-puh-] / ˌlɪp əˈfʌs ɪn, ˌlaɪ pə- /

noun

Biochemistry.

  1. any of several brown pigments similar to melanin that accumulate in animal cells with age and are products of oxidation of lipids and lipoproteins.

Etymology

Origin of lipofuscin

1920–25; < German, equivalent to lipo- lipo- 1 + Latin fusc ( us ) dark, tawny + German -in -in 2

Example Sentences

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Additionally, dExPath effectively eliminated fluorescent signals in brain tissue called lipofuscin, which makes imaging of subcellular structures in brain tissues very difficult, further enhancing image quality.

From Science Daily • Jan. 31, 2024

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.