organelle

One of the specialized parts of a protozoan or tissue cell; these subcellular units include mitochondria, the Golgi apparatus, nucleus and centrioles, granular and agranular endoplasmic reticulum, vacuoles, microsomes, lysosomes, plasma membrane, and certain fibrils, as well as plastids of plant cells. SYN: cell o., organoid (3). [G. organon, organ, + Fr. -elle, dim. suffix, fr. L. -ella]
- cell o. SYN: o..
- paired organelles SYN: rhoptry.

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or·gan·elle .ȯr-gə-'nel n a specialized cellular part (as a mitochondrion or ribosome) that is analogous to an organ

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n.
a structure within a cell that is specialized for a particular function. Examples of organelles are the nucleus, endoplasmic reticulum, Golgi apparatus, lysosomes, and mitochondria.

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or·ga·nelle (or″gə-nelґ) [L. organella, dim. of organum organ] any of the membrane-bound organized cytoplasmic structures of distinctive morphology, biochemical composition, and function present in all eukaryotic cells, including such structures as the nucleus, mitochondria, lysosomes, peroxisomes, Golgi apparatus, and endoplasmic reticulum, as well as chloroplasts in plants and cilia, flagella, and the cytopharynx in protozoa. See Plates 11 and 12.

Medical dictionary. 2011.

Look at other dictionaries:

  • Organelle — A typical animal cell. Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus …   Wikipedia

  • organelle — n. (Biol.) a specialized part of a cell performing a specific function, usually visible under the microscope as a distinct object; it is analogous to an organ[2], but on a microscopic scale. Syn: cell organ. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • organelle — [ ɔrganɛl ] n. m. • déb. XXe; de organe ♦ Biol. Élément figuré cellulaire (mitochondrie, chloroplaste, cil, etc.) existant parfois en plusieurs exemplaires dans la cellule. ⇒ organite. « des organelles isolés tels que les microsomes du foie »… …   Encyclopédie Universelle

  • organelle — organelle. См. органоид. (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.

  • organelle — (n.) 1909, from Mod.L. organella, from L. organum instrument, organ (see ORGAN (Cf. organ)) …   Etymology dictionary

  • organelle — ► NOUN Biology ▪ an organized or specialized structure within a cell. ORIGIN Latin organella little tool …   English terms dictionary

  • organelle — [ôr΄gə nel′] n. [Ger < ModL organella < L organum (< Gr organon: see ORGAN) + ella, fem. of ellus, dim. suffix] a discrete structure within a cell, as a chloroplast or centriole, characterized by having specialized functions, a usually… …   English World dictionary

  • Organelle — Schemazeichnung einer tierischen Zelle. Membranumschlossene Organellen Strukturen ohne Membran, die je nach Definition zu den Organellen gezählt werden könnten …   Deutsch Wikipedia

  • Organelle — Organite Demande de traduction Organelle → …   Wikipédia en Français

  • organelle — UK [ˌɔː(r)ɡəˈnel] / US [ˌɔrɡəˈnel] noun [countable] Word forms organelle : singular organelle plural organelles biology a structure in a cell that is designed to do a particular job, for example a nucleus …   English dictionary

  • organelle — blp, D. organellelli biol. «elementy strukturalne ciała pierwotniaków (np. wici, rzęski) odpowiadające funkcjonalnie narządom zwierząt wielokomórkowych» ∆ Organelle komórkowe «struktury cytoplazmy komórek roślinnych i zwierzęcych związane z… …   Słownik języka polskiego

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