centrolecithal
centrolecithal cen`tro*lec"i*thal (s[e^]n`tr[-o]*l[e^]s"[i^]*thal), a. [Gr. ke`ntron center + le`kiqos yolk of an egg.] (Biol.) Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal. --Balfour. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Centrolecithal — (Greek kentron = center of a circle, lekithos = yolk) is the placement of the yolk in the centre of the cytoplasm of ovums. Many arthropod eggs are centrolecithal. During cytokinesis, centrolecithal zygotes undergo meroblastic cleavage, where the …   Wikipedia

  • centrolecithal — /sen troh les euh theuhl/, adj. Embryol. having a centrally located yolk, as certain insect eggs or ova. [1875 80; CENTRO + LECITHAL] * * * …   Universalium

  • centrolecithal — Denoting an ovum in which the deutoplasm accumulates centrally. [centro + G. lekithos, yolk] * * * cen·tro·lec·i·thal .sen trō les ə thəl adj of an egg having the yolk massed centrally and surrounded by a thin layer of clear cytoplasm compare… …   Medical dictionary

  • centrolecithal — adj. having a central yolk (Embryology) …   English contemporary dictionary

  • centrolecithal — cen·tro·lec·i·thal …   English syllables

  • centrolecithal — |sen.(ˌ)trō|lesəthəl adjective Etymology: centr + Greek lekithos yolk of an egg + English al of arthropod eggs : having the yolk massed centrally and surrounded by a thin layer of clear cytoplasm * * * /sen troh les euh theuhl/, adj. Embryol.… …   Useful english dictionary

  • centrolecithal egg — centrolecithal egg. См. центролецитальное яйцо. (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.

  • centrolecithal egg — (ARTHROPODA) A type of arthropod egg in which the nucleus is located centrally in a small amount of nonyolky cytoplasm surrounded by a large mass of yolk until fertilized; when nuclear divisions begin the nuclei migrate to the periphery to… …   Dictionary of invertebrate zoology

  • центролецитальное яйцо — centrolecithal egg центролецитальное яйцо. Яйцо, в котором желток равномерно распределен по всей цитоплазме за исключением ее периферического слоя (периплазмы) и цитоплазматического островка с ядром. (Источник: «Англо русский толковый словарь… …   Молекулярная биология и генетика. Толковый словарь.

  • mesolecithal — |me]zō, |mē], ]sō+ adjective Etymology: mes + lecithal (as in centrolecithal) : centrolecithal * * * /mez euh les euh theuhl, mes , mee zeuh , seuh /, adj. Embryol. centrolecithal. [MESO + LECITHAL] …   Useful english dictionary

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