yolk nucleus

yolk nucleus
a special area of the cytoplasm of an oocyte in which the synthetic activities leading to the accumulation of food supplies in the oocyte are apparently initiated; called also vitelline body and Balbiani n. or body.

Medical dictionary. 2011.

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  • yolk nucleus — yolk nucleus. См. желточное ядро. (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.

  • yolk nucleus — noun 1. : a formed body possibly associated with yolk formation present in the cytoplasm of many developing oocytes 2. : a nucleus in yolk : vitellophag …   Useful english dictionary

  • yolk nucleus — Intensely osmiophilic body located near the nucleus; vitelline body; Balbiani s body …   Dictionary of invertebrate zoology

  • nucleus of pander — ˈpändə(r) Usage: usually capitalized P Etymology: after Christian H. Pander died 1865 Russ. zoologist : the expanded upper end of the flask shaped mass of white yolk in a bird s egg …   Useful english dictionary

  • yolk cell — noun : a nucleated cytoplasmic mass that is derived from the egg nucleus of an arthropod and provides nutriment for the developing embryo …   Useful english dictionary

  • Balbiani nucleus (body) ring — Bal·bi·a·ni nucleus (body), ring (bahl be ahґne) [Edouard Gйrard Balbiani, French embryologist, 1823–1899] yolk nucleus; see under nucleus,, and see under ring …   Medical dictionary

  • Balbiani nucleus — The yolk nucleus …   Dictionary of invertebrate zoology

  • Balbiani nucleus — yolk n …   Medical dictionary

  • Segmentation nucleus — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… …   The Collaborative International Dictionary of English

  • Balbiani body — yolk nucleus …   Medical dictionary

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