morula

morula
The solid mass of blastomeres resulting from the early cleavage divisions of the zygote. In ova with little yolk, the m. is a spheroidal mass of cells; in forms with considerable yolk, the configuration of the m. stage is greatly modified. [Mod. L. dim. of L. morus, mulberry]

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mor·u·la 'mȯr-(y)ə-lə, 'mär- n, pl -lae -.lē, -.lī a globular solid mass of blastomeres formed by cleavage of a zygote that typically precedes the blastula compare GASTRULA
mor·u·lar -lər adj
mor·u·la·tion .mȯr-(y)ə-'lā-shən, .mär- n

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n.
an early stage of embryonic development formed by cleavage of the fertilized ovum. It consists of a solid ball of cells and is an intermediate stage between the zygote and blastocyst.

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mor·u·la (morґu-lə) [L. morus mulberry] 1. the solid mass of blastomeres formed by cleavage of a zygote. 2. an inclusion body seen in circulating blood cells in anaplasmosis and ehrlichiosis, consisting of a membrane-bound cluster of organisms that is formed by binary fission.

Medical dictionary. 2011.

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Look at other dictionaries:

  • morula — [ mɔryla ] n. f. • 1877; lat. sc., dimin. de morum « mûre » ♦ Embryol. Premier stade du développement embryonnaire, où l œuf fécondé se présente sous forme d une petite sphère à surface mamelonnée. ● morula nom féminin (latin morula, petite mûre) …   Encyclopédie Universelle

  • morulă — MORÚLĂ, morule, s.f. Primul stadiu în dezvoltarea embrionară a metazoarelor, în timpul căruia embrionul capătă aspectul de mură. – Din fr. morulă. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  morúlă s. f., g. d. art. morúlei; pl. morúle… …   Dicționar Român

  • mórula — f. embriol. Estadio inicial del desarrollo de un embrión constituido por una masa de células producto de las primeras divisiones de la segmentación del huevo. Externamente, adopta el aspecto de una mora. Medical Dictionary. 2011. mórula …   Diccionario médico

  • mórula — (Del lat. morŭla, dim. de mora). 1. f. Biol. Embrión temprano que, durante el período de segmentación, tiene el aspecto de una mora. 2. ant. Demora o detención muy breve …   Diccionario de la lengua española

  • Morula — Mor u*la, n.; pl. {Morul[ae]}. [NL., dim. of L. morum a mulberry.] (Biol.) The sphere or globular mass of cells (blastomeres), formed by the clevage of the ovum or egg in the first stages of its development; called also {mulberry mass},… …   The Collaborative International Dictionary of English

  • morula — morula. См. морула. (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.

  • Morūla — (Maulbeerlarve), s. Entwickelungsgeschichte, S. 845 …   Meyers Großes Konversations-Lexikon

  • Morula — Morŭla (lat.), Maulbeerform, durch Klüftung der Eizelle entstehender maulbeerähnlicher Zellenhaufen [Tafel: Entwicklungsgeschichte I, 5] …   Kleines Konversations-Lexikon

  • Morula — Morula, Maulbeerkeim, Embryonalstadium der Metazoen in Form eines bei der ⇒ Furchung entstehenden, aus Blastomeren gebildeten Zellhaufens. Die M. der Säuger besteht aus einer äußeren Schicht (Trophoblast) sowie einem innen gelegenen Embryoblasten …   Deutsch wörterbuch der biologie

  • morula — s. f. Árvore da África Oriental, de cujos frutos se fabrica uma espécie de cerveja …   Dicionário da Língua Portuguesa

  • mórula — s. f. 1. Pequena demora; curta dilação. 2.  [História natural] Agregado de corpúsculos proveniente de segmentação do óvulo fecundado …   Dicionário da Língua Portuguesa

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