See Also: microsome(medicine)
microsome(dictionary)
rough microsome(medicine)
smooth microsome(medicine)

microsome (iou)



microsome noun. L19.
[from MICRO- + -SOME3.]
Cytology. Orig., a small granule in the cytoplasm of a cell. Now, a cytoplasmic particle consisting of a fragment of endoplasmic reticulum and attached ribosomes from a cell disrupted by ultracentrifugation; a ribosome in an intact cell.
micro'somal adjective L19.