exosome

== English == === Etymology === From exo- +‎ -some. === Pronunciation === enPR: ĕksʹ-ō-sōm', IPA(key): /ˈɛks.oʊˌsoʊm/ (UK) [ˈɛks.əʊ̯ˌsəʊ̯m] (US) [ˈɛks.oʊ̯ˌsoʊ̯m] Hyphenation: ex‧o‧some Rhymes: -ɛksəʊsəʊm === Noun === exosome (plural exosomes) (biology) An intracellular macromolecular protein complex involved in RNA degradation. (biology) An extracellular vesicle released from the endosomal compartment of eukaryotic cells, responsible for the selective removal of plasma membrane protein. ==== Usage notes ==== Do not confuse an exosome with an exome. ==== Derived terms ==== ==== Translations ==== === See also === exoprotein