pyrenoid [pī rē′noid]
[< Gr pyrēn (gen. pyrēnos), PYRENE1 + -OID]
Bot. a small structure within a chloroplast, as in some algae, functioning as a center for starch production

English World dictionary. . 2014.

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  • Pyrenoid — Py*re noid, n. [Gr. ? like a kernel. See {Pyrena}, and { oid}.] (Zo[ o]l.) A transparent body found in the chromatophores of certain Infusoria. [1913 Webster] …   The Collaborative International Dictionary of English

  • pyrenoid — pyrenoid. См. пиреноид. (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.

  • pyrenoid — [pī rē′noid] n. 〚< Gr pyrēn (gen. pyrēnos), PYRENE1 + OID〛 Bot. a small structure within a chloroplast, as in some algae, functioning as a center for starch production * * * py·re·noid …   Universalium

  • Pyrenoid — Alge mit 4 runden Pyrenoiden Das Pyrenoid ist eine räumlich begrenzte, lichtmikroskopisch oft gut erkennbare Struktur in Plastiden von verschiedenen Algengruppen und Hornmoosen, die hauptsächlich aus parakristalliner RuBisCO besteht, dem… …   Deutsch Wikipedia

  • Pyrenoid — In cell biology, pyrenoids are centers of carbon dioxide fixation within the chloroplasts of algae and hornworts. Pyrenoids are not membrane bound organelles, but specialized areas of the plastid that contain high levels of ribulose 1,5… …   Wikipedia

  • pyrenoid — noun Etymology: International Scientific Vocabulary, from New Latin pyrena stone of a fruit, from Greek pyrēn; akin to Greek pyros wheat grain, wheat more at furze Date: circa 1875 one of the protein bodies in the chloroplasts of various lower… …   New Collegiate Dictionary

  • pyrenoid — (pi rē noid) The differentiated region of the chloroplast that is a center of starch formation in green algae and stoneworts …   Dictionary of microbiology

  • pyrenoid — Small body found within some chloroplasts, that may contain protein. In green algae may be involved in starch synthesis …   Dictionary of molecular biology

  • pyrenoid — noun any of several transparent structures found in the chloroplast of certain algae etc.; they are responsible for the fixation of carbon dioxide and the formation of starch …   Wiktionary

  • pyrenoid — One of the minute luminous bodies sometimes visualized in the chromatophores of some protozoa, such as Euglena viridis. [G. pyren, pit of a fruit, + eidos, resemblance] * * * py·re·noid (piґrə noid) [Gr. pyrēn fruit stone + oid] one of… …   Medical dictionary

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