germ plasm

germ plasm
germ plasm n
1) germ cells and their precursors serving as the bearers of heredity and being fundamentally independent of other cells
2) the hereditary material of the germ cells: GENES

* * *

the substance postulated by 19th century biologists (notably Weismann) to be transmitted via the gametes from one generation to the next and to give rise to the body cells.

Medical dictionary. 2011.

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  • Germ plasm — or polar plasm is a zone found in the cytoplasm of the egg cells of some model organisms (such as Caenorhabditis elegans , Drosophila melanogaster , Xenopus laevis ), which contains determinants that will give rise to the germ cell lineage. As… …   Wikipedia

  • Germ plasm — (Biol.) See {Plasmogen}, and {Idioplasm}. [1913 Webster] …   The Collaborative International Dictionary of English

  • germ plasm — germ plasm. См. зародышевая плазма. (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.

  • germ plasm — germ′ plasm n. gen the substance of reproductive cells that contains chromosomes • Etymology: 1885–90 …   From formal English to slang

  • germ plasm — n. the reproductive cells of an organism, particularly that portion of the reproductive cells involved in heredity: cf. SOMATOPLASM …   English World dictionary

  • germ plasm — noun the protoplasm of the germ cells that contains chromosomes and genes • Syn: ↑plasm • Hypernyms: ↑protoplasm, ↑living substance * * * noun 1. : germ cells and their precursors regarded as bearers of hereditary characters and as at all times… …   Useful english dictionary

  • germ plasm — Chromatin Chro ma*tin, n. (Biol.) The deeply staining substance of the nucleus and chromosomes of eukaryotic cells, composed of DNA and basic proteins (such as histones), the DNA of which comprises the predominant physical basis of inheritance.… …   The Collaborative International Dictionary of English

  • germ plasm — gyvulių (paukščių) genofondas statusas Aprobuotas sritis veislininkystė apibrėžtis Vienos žemės ūkio gyvulių (paukščių) rūšies populiacijos palyginti pastovi veislių visuma tam tikru laiku. atitikmenys: angl. gene pool; germ plasm vok. Genetische …   Lithuanian dictionary (lietuvių žodynas)

  • germ plasm — gemalinė plazma statusas T sritis augalininkystė apibrėžtis Paveldimumo medžiaga, susitelkusi ląstelių branduoliuose ir perduodama gemalinių ląstelių kitoms kartoms. atitikmenys: angl. germ plasm; idioplasm rus. зародышевая плазма; идиоплазма… …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • germ-plasm theory — Concept of the physical basis of heredity expressed by the biologist August Weismann (1834–1914). It claimed that germ plasm, which Weismann believed to be independent from all other cells of the body, was the essential element of germ cells… …   Universalium

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