meroblastic cleavage
Cleavage of a heavily yolked egg in which only the egg cell divides, leaving the yolk undivided.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • meroblastic cleavage — meroblastic cleavage. См. меробластическое 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.

  • meroblastic cleavage — cell division in which sister cells are only partially separated from one another by cytokinesis. Also called incomplete cleavage …   Dictionary of ichthyology

  • meroblastic cleavage — partial cleavage division of the zygote in which only its protoplasmic portions participate, as occurs in fish, reptiles, and birds; called also incomplete c …   Medical 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

  • meroblastic — [mer΄ō blas′tik] adj. [< Gr meros, part (see MERIT) + BLAST + IC] Embryology undergoing only partial cleavage: said of certain ova with much yolk, as bird s eggs: cf. HOLOBLASTIC meroblastically adv …   English World dictionary

  • 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

  • cleavage — /klee vij/, n. 1. the act of cleaving or splitting. 2. the state of being cleft. 3. the area between a woman s breasts, esp. when revealed by a low cut neckline. 4. a critical division in opinion, beliefs, interests, etc., as leading to… …   Universalium

  • meroblastic — mero·blas·tic .mer ə blas tik adj characterized by or being incomplete cleavage as a result of the presence of an impeding mass of yolk material (as in the eggs of birds) compare HOLOBLASTIC mero·blas·ti·cal·ly ti k(ə )lē adv * * * mero·blas·tic… …   Medical dictionary

  • meroblastic — adjective Etymology: International Scientific Vocabulary Date: 1870 characterized by incomplete cleavage as a result of the presence of a mass of yolk material compare holoblastic • meroblastically adverb …   New Collegiate Dictionary

  • meroblastic — an egg of which only part undergoes cleavage usually one with a large amount of yolk which is not incorporated into the developing egg, e.g. in Myxini, Elasmobranchii, Holocephali, many teleosts …   Dictionary of ichthyology

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