microsome

[ mahy-kruh-sohm ]
/ ˈmaɪ krəˌsoʊm /

noun Cell Biology.

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

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Origin of microsome

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. 2020

British Dictionary definitions for microsome

microsome
/ (ˈmaɪkrəʊˌsəʊm) /

noun

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
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

Medical definitions for microsome

microsome
[ mīkrə-sōm′ ]

n.

A small particle in the cytoplasm of a cell, typically consisting of fragmented endoplasmic reticulum to which ribosomes are attached.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.