microsome

US:USA pronunciation: respellingUSA pronunciation: respelling(mī′krə sōm′)


WordReference Random House Unabridged Dictionary of American English © 2026
mi•cro•some  (mī′krə sōm′),USA pronunciation n. [Cell Biol.]
  1. Cell Biologya small inclusion, consisting of ribosomes and fragments of the endoplasmic reticulum and mitochondria, in the cytoplasm of a cell.
  • micro- + -some3 1880–85
mi′cro•so′mal, mi′cro•so′mi•al, mi′cro•so′mic, adj. 

'microsome' also found in these entries (note: many are not synonyms or translations):
hypermicrosoma

Forum discussions with the word(s) "microsome" in the title:


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