noun Etymology: International Scientific Vocabulary Date: 1885 1. any of various minute cellular structures (as a ribosome) 2. a particle in a particulate fraction that is obtained by heavy centrifugation of broken cells and consists of various amounts of ribosomes, fragmented endoplasmic reticulum, and mitochondrial cristae • microsomal adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • microsome — n. (Cell biology) a tiny granule in the cytoplasm of a cell; it consists of ribosomes bound to fragments of the endoplasmic reticulum and mitochondria. [WordNet 1.5 +PJC] …   The Collaborative International Dictionary of English

  • microsome — microsome. См. хромидия. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • microsome — [mī′krōsōm΄] n. [ MICRO + SOME3] any of a number of minute granules in the cytoplasm of an active cell, that are filled with enzymes and thought to be associated with protein synthesis microsomal adj …   English World dictionary

  • Microsome — In cell biology, microsomes are vesicle like artifacts re formed from pieces of the endoplasmic reticulum (ER) when eukaryotic cells are broken up in the laboratory; by definition, microsomes are not ordinarily present in living cells.[1]… …   Wikipedia

  • Microsome — Les microsomes sont des fragments de membranes du réticulum endoplasmique. Plus précisément, il s agit de vésicules provenant de la fragmentation du réticulum endoplasmique. Il existe deux sortes de microsomes : les microsomes rugueux… …   Wikipédia en Français

  • microsome — microsomal, microsomial, microsomic, adj. /muy kreuh sohm /, n. Cell Biol. a small inclusion, consisting of ribosomes and fragments of the endoplasmic reticulum and mitochondria, in the cytoplasm of a cell. [1880 85; MICRO + SOME3] * * * …   Universalium

  • microsome — noun /ˈmaɪk.rə.səʊm,ˈmaɪk.rə.soʊm/ A vesicle formed as an artifact of cell disruption …   Wiktionary

  • microsome — One of the small spherical vesicles derived from the endoplasmic reticulum after disruption of cells and ultracentrifugation. [micro + G. soma, body] * * * mi·cro·some mī krə .sōm n 1) any of various minute cellular structures (as a ribosome) 2)… …   Medical dictionary

  • microsome — n. small granule of protoplasm …   English contemporary dictionary

  • microsome — [ mʌɪkrəsəʊm] noun Biology a fragment of endoplasmic reticulum and attached ribosomes obtained by centrifugation of homogenized cells. Derivatives microsomal adjective …   English new terms dictionary

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