- centrolecithal egg
- centrolecithal egg.(Источник: «Англо-русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд-во ВНИРО, 1995 г.)
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centrolecithal egg
Смотреть что такое "centrolecithal egg" в других словарях:
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
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
Egg cleavage — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… … The Collaborative International Dictionary of English
egg — The female sexual cell, or gamete; after fertilization and fusion of the pronuclei it is a zygote and no longer an e.. In reptiles and birds, the e. is provided with a protective shell, membranes, albumin, and yolk for the nourishment of the … Medical dictionary
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 — |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
oligolecithal egg — An egg with a small amount of yolk; isolecithal; see centrolecithal egg, telolecithal egg … Dictionary of invertebrate zoology
isolecithal egg — An ova with yolk granules randomly distributed through the cell; a small amount of yolk; an oligolecithal egg; see centrolecithal egg … Dictionary of invertebrate zoology
telolecithal egg — An egg cell with abundant yolk concentrated toward the lower side of the cell; see centrolecithal egg … Dictionary of invertebrate zoology
mesolecithal egg — Eggs with moderate yolk content; see centrolecithal egg … Dictionary of invertebrate zoology
