plastid
noun Etymology: German, from Greek plastos molded Date: 1885 any of various cytoplasmic organelles (as an amyloplast or chloroplast) of photosynthetic cells that serve in many cases as centers of special metabolic activities • plastidial adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • plastid — 1876, from Ger. plastid , from Gk. plastos molded, formed (see PLASTER (Cf. plaster)) + id (from Greek dim. suffix idion) …   Etymology dictionary

  • Plastid — Plas tid, Plastide Plas tide, n. [Gr. ?, ?, a creator.] 1. (Biol.) A formative particle of albuminous matter; a monad; a cytode. See the Note under {Morphon}. [Archaic] Haeckel. [1913 Webster] 2. (Bot.) any of several types of minute granules… …   The Collaborative International Dictionary of English

  • plastid — plastid. См. пластида. (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.

  • plastid — [plas′tid] n. [Ger plastiden (pl.) < Gr plastides, pl. of plastis, fem. of plastēs, molder < plassein, to form: see PLASTIC] any of several specialized protoplasmic structures occurring in the cytoplasm of some plant cells, in which starch …   English World dictionary

  • Plastid — Plastids are major organelles found in plants and algae. Plastids often contain pigments used in photosynthesis, and the types of pigments present can change or determine the cell s color. Plastids are also the site of manufacture and storage of… …   Wikipedia

  • Plastid — Übergeordnet Organell Untergeordnet Chloroplast Amyloplast C …   Deutsch Wikipedia

  • plastid — /plas tid/, n. Cell Biol. a small, double membraned organelle of plant cells and certain protists, occurring in several varieties, as the chloroplast, and containing ribosomes, prokaryotic DNA, and, often, pigment. [1875 80; < G Plastide < Gk… …   Universalium

  • plastid — plas•tid [[t]ˈplæs tɪd[/t]] n. hic (lab cbl) a small, double membraned organelle of plant cells and certain protists, occurring in several varieties, as the chloroplast, and containing ribosomes, prokaryotic DNA, and, often, pigment • Etymology:… …   From formal English to slang

  • plastid — (plas tid) A cytoplasmic organelle of algae and higher plants that contains pigments such as chlorophyll, stores food reserves, and often carries out processes such as photosynthesis …   Dictionary of microbiology

  • plastid — Type of plant cell organelle, surrounded by a double membrane and often containing elaborate internal membrane systems. Partially autonomous, containing some DNA, RNA and ribosomes, and reproducing itself by binary fission. Includes amyloplasts,… …   Dictionary of molecular biology

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