microsome

[ mahy-kruh-sohm ]

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

Origin of microsome

1
First recorded in 1880–85; micro- + -some3

Other words from microsome

  • mi·cro·so·mal, mi·cro·so·mi·al, mi·cro·so·mic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for microsome

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

Derived forms of microsome

  • microsomal, adjective

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