discoidal cleavage
noun Date: circa 1909 meroblastic cleavage in which a disk of cells is produced at the animal pole of the zygote (as in bird eggs)

New Collegiate Dictionary. 2001.

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  • discoidal cleavage — n meroblastic cleavage in which a disk of cells is produced at the animal pole of the zygote (as in bird eggs) * * * cleavage limited to the animal pole of highly telolecithal zygotes …   Medical dictionary

  • discoidal cleavage — discoidal cleavage. См. дискоидальное дробление. (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.

  • discoidal cleavage — noun : meroblastic cleavage in which a disk of cells is produced at the animal pole of the zygote (as in bird eggs) compare superficial cleavage …   Useful english dictionary

  • Cleavage (embryo) — In embryology, cleavage is the division of cells in the early embryo. The zygotes of many species undergo rapid cell cycles with no significant growth, producing a cluster of cells the same size as the original zygote. The different cells derived …   Wikipedia

  • cleavage — 1. Series of mitotic cell divisions occurring in the ovum immediately following its fertilization. SYN: segmentation (2). SEE ALSO: c. division. 2. Splitting of a complex molecule into two or more simpler molecules. SYN: scission (2). 3 …   Medical dictionary

  • superficial cleavage — noun : meroblastic cleavage in which a layer of cells is produced about a central mass of yolk (as in many arthropod eggs) compare discoidal cleavage …   Useful english dictionary

  • дискоидальное дробление — discoidal cleavage дискоидальное дробление. Форма телолецитального дробления, приводящего к формированию дискобластулы <discoblastula>. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва …   Молекулярная биология и генетика. Толковый словарь.

  • animal development — Introduction  the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …   Universalium

  • discogastrula — A gastrula of the type formed after the discoidal cleavage of a large yolked ovum. * * * dis·co·gas·tru·la gas trə lə n, pl las or lae (.)lē, .lī a gastrula derived from a blastoderm * * * …   Medical dictionary

  • discoblastula — A blastula of the type produced by the meroblastic discoidal cleavage of a large yolked ovum. * * * dis·co·blas·tu·la blas chə lə n, pl las or lae (.)lē, .lī BLASTODERM * * …   Medical dictionary

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