## microsome

https://doi.org/10.1351/goldbook.M03917
Artefactual spherical particle, not present in the living cell, derived from pieces of the endoplasmic reticulum present in homogenates of tissues or cells: microsomes @S05533@ from such homogenates when centrifuged at $$10^{6}\ \text{g}$$ and higher: the microsomal fraction obtained in this way is often used as a source of mono-oxygenase @E02159@.
Source:
PAC, 1993, 65, 2003. (Glossary for chemists of terms used in toxicology (IUPAC Recommendations 1993)) on page 2070 [Terms] [Paper]