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microsome

[ mahy-kruh-sohm ]

noun

, Cell Biology.
  1. a small inclusion, consisting of ribosomes and fragments of the endoplasmic reticulum and mitochondria, in the cytoplasm of a cell.

microsome

/ ˈmaɪkrəʊˌsəʊm /

noun

  1. any of the small particles consisting of ribosomes and fragments of attached endoplasmic reticulum that can be isolated from cells by centrifugal action

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Derived Forms

  • ˌmicroˈsomal, adjective

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Other Words From

  • micro·somal micro·somi·al micro·somic adjective

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Word History and Origins

Origin of microsome1

First recorded in 1880–85; micro- + -some 3

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microsociologymicrospecies

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