holoblastic cleavage — holoblastic cleavage. См. голобластическое 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.
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
holoblastic — Denoting the involvement of the entire (isolecithal or moderately telolecithal) ovum in cleavage. [holo + G. blastos, germ] * * * ho·lo·blas·tic .hō lə blas tik, .häl ə adj characterized by cleavage planes that divide the whole egg into distinct… … Medical dictionary
holoblastic — [häl΄ō blas′tik, hō΄lōblas′tik] adj. [ HOLO + BLAST + IC] Embryology undergoing complete cleavage into daughter cells: said of certain ova with little yolk ( blastomeres): cf. MEROBLASTIC … 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
holoblastic — adjective Etymology: International Scientific Vocabulary Date: 1872 characterized by complete cleavage that divides the whole egg into distinct and separate blastomeres compare meroblastic … New Collegiate Dictionary
holoblastic — an egg, the whole of which undergoes cleavage, usually those with little yolk, e.g. Amphioxi, Petromyzontiformes, Acipenseridae, Amiidae, Lepisosteidae … Dictionary of ichthyology
holoblastic division — The type of cleavage in which the entire egg cell is divided … Dictionary of invertebrate zoology
holoblastic — holoblastically, adv. /hol euh blas tik, hoh leuh /, adj. Embryol. (of certain eggs) undergoing total cleavage, resulting in equal blastomeres. Cf. meroblastic. [1870 75; holoblast (HOLO + BLAST) + IC] * * * … Universalium