protoplast

protoplast
1. Archaic term meaning the first individual of a type or race. 2. A bacterial cell from which the rigid cell wall has been completely removed; the bacterium loses its characteristic form. [proto- + G. plastos, formed]

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pro·to·plast 'prōt-ə-.plast n the nucleus, cytoplasm, and plasma membrane of a cell as distinguished from inert walls and inclusions

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n.
a bacterial or plant cell without its cell wall.

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pro·to·plast (proґto-plast″) [proto- + -plast] a bacterial, yeast, or fungal cell from which the rigid cell wall has been removed, resulting in a membrane-bound cell that is dependent for its integrity on an isotonic or hypertonic medium. Cf. spheroplast.

Medical dictionary. 2011.

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  • protoplast — PROTOPLÁST, protoplaste, s.n. (biol.) (Parte din) protoplasmă. – Din fr. protoplaste. Trimis de oprocopiuc, 23.04.2004. Sursa: DEX 98  protoplást s. n., pl. protopláste Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  PROTOPLÁST …   Dicționar Român

  • Protoplast — Pro to*plast, n. [L. protoplastus the first man, Gr. ? formed or created first; ? first + ? formed, fr. ? to form.] [1913 Webster] 1. The thing first formed; that of which there are subsequent copies or reproductions; the original. [1913 Webster] …   The Collaborative International Dictionary of English

  • protoplast — protoplast. См. протопласт. (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.

  • protoplast — index prototype Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Protoplast — Protoplast, 1) lebender Zellleib; außen von einer selektiv permeablen Membran (Plasmamembran, Plasmalemma), bei Pflanzen außerdem von einer Zellwand umgeben; er besteht bei Eucyten aus Zellkern und Cytoplasma und entspricht dem Protoplasma; 2)… …   Deutsch wörterbuch der biologie

  • protoplast — [prōt′ə plast΄] n. [Fr protoplaste < LL protoplastus < Gr protoplastos, formed first < protos, first (see PROTO ) + plastos, formed < plassein, to form: see PLASTIC] 1. a thing or being that is the first of its kind 2. Biol. ENERGID 3 …   English World dictionary

  • Protoplast — This article discusses protoplasts in the biological sense. For the theological use, see Adam and Eve Protoplast, from the ancient Greek πρῶτον (first) + verb πλάθω or πλάττω (to mould: deriv. plastic ), initially referred to the first organized… …   Wikipedia

  • Protoplast — Protoplasten von Blattzellen der Petunie (Petunia sp.) Als Protoplast bezeichnet man bei mit Zellwänden versehenen Zellen die kleinste selbstständig lebensfähige morphologische Einheit, d. h. den plasmatischen Inhalt einer Zelle. Daher gibt es… …   Deutsch Wikipedia

  • protoplast — protoplastas statusas T sritis augalininkystė apibrėžtis Ląstelės turinys be sienelės. atitikmenys: angl. protoplast rus. протопласт …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • protoplast fusion — protoplast fusion. См. слияние протопластов. (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.

  • protoplast — noun Etymology: Middle French protoplaste, from Late Latin protoplastus first human, from Greek prōtoplastos first formed, from prōt prot + plastos formed, from plassein to mold more at plaster Date: 1532 1. one that is formed first ; prototype 2 …   New Collegiate Dictionary

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