Germinal vesicle
Germinal Ger"mi*nal, a. [See {Germ}.] 1. Pertaining or belonging to a germ; as, the germinal vesicle. [1913 Webster]

2. (Biol.) Of or pertaining to the germ, or germ cells, as distinguished from the somatic cells. [Webster 1913 Suppl.]

{Germinal layers} (Biol.), the two layers of cells, the ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes included.

{Germinal membrane}. (Biol.) Same as {Blastoderm}.

{Germinal spot} (Biol.), the nucleolus of the ovum.

{Germinal vesicle}, (Biol.), the nucleus of the ovum of animals. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • germinal vesicle — germinal vesicle. См. зародышевый пузырек. (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.

  • germinal vesicle — n the enlarged nucleus of the egg before completion of meiosis * * * the nucleus of a mature oocyte, prior to fertilization. It is considerably larger than the nucleus of other cells. * * * the fluid filled nucleus of an oocyte toward the end of… …   Medical dictionary

  • germinal vesicle — n. the greatly enlarged nucleus of an egg in the prophase of the first meiotic division …   English World dictionary

  • germinal vesicle — noun : the enlarged nucleus of the primary oocyte prior to completion of the reduction divisions * * * Embryol. the large, vesicular nucleus of an ovum before the polar bodies are formed. [1850 55] * * * germinal vesicle, 1. Embryology. the… …   Useful english dictionary

  • germinal vesicle — noun Date: circa 1839 the enlarged nucleus of the egg before completion of meiosis …   New Collegiate Dictionary

  • germinal vesicle — The diploid nucleus of a primary oocyte before formation of polar bodies …   Dictionary of invertebrate zoology

  • germinal vesicle — Embryol. the large, vesicular nucleus of an ovum before the polar bodies are formed. [1850 55] * * * …   Universalium

  • germinal vesicle — the nucleus of a mature oocyte, prior to fertilization. It is considerably larger than the nucleus of other cells …   The new mediacal dictionary

  • germinal vesicle — ger′minal ves′icle n. dvl the enlarged, vesicular nucleus of an ovum before the polar bodies are formed at the end of meiosis • Etymology: 1850–55 …   From formal English to slang

  • germinal vesicle — /dʒɜmənəl ˈvɛsɪkəl/ (say jermuhnuhl vesikuhl) noun the nucleus of an unfertilised ovum before the polar bodies are formed …   Australian English dictionary

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