epiboly

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e·pib·o·ly

(ĭ-pĭb′ə-lē)

The growth of a rapidly dividing group of cells around a more slowly dividing group of cells, as in the formation of a gastrula.

[Greek epibolē, a throwing or laying on, from epiballein, to throw on : epi-, epi- + ballein, to throw; see g^welə- in Indo-European roots.]

ep′i·bol′ic (ĕp′ə-bŏl′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

epiboly

(ɪˈpɪbəlɪ)

n, pl -lies

(Zoology) embryol a process that occurs during gastrulation in vertebrates, in which cells on one side of the blastula grow over and surround the remaining cells and yolk and eventually form the ectoderm

[C19: from Greek epibolē a laying on, from epiballein to throw on, from epi- + ballein to throw]

epibolic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

e•pib•o•ly

(ɪˈpɪb ə li)

n., pl. -lies.

the movement of a group of cells over a more slowly dividing group, resulting in an outer and inner layer, as in a gastrula.

[1870–75; < Greek epibolḗ the act of throwing or laying on, n. derivative of epibállein to throw upon, lay on = epi- epi- + bállein to throw]

ep•i•bol•ic (ˌɛp əˈbɒl ɪk) adj.

epiboly

the growth of part of an organism in such a way that it overlays or surrounds another. — epibolic, adj.

See also: Growth

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References in periodicals archive ?

In Epiboly and biological corrosion in aquatic medium (N.

Food habits of the blue shark, Prionace glauca (Linnaeus, 1758), in waters off northern Peru

In crucian carp (Carassius auratus Linnaeus 1758), HHP shock administered to inseminated eggs disrupted the proper formation of blastodiscs, impaired the development of cytoplasm, and triggered the delay of epiboly and suppression of the dorsoventral differentiation [9].

Transcriptome Analysis of Rainbow Trout (Oncorhynchus mykiss) Eggs Subjected to the High Hydrostatic Pressure Treatment

Upon passage of eight hours, a gastrula was formed and its epiboly started to extend toward the vegetal pole (Fig.

Early life history of the eastern Korean tetraploid spined loach, Iksookimia yongdokensis (Pisces: Cobitidae)

At 12th hour after the fertilization; normal embryo development was observed in diploid gynogen (41.4[degrees]C shock applied) and control group (bud-stage), however, haploid embryos showed slower development than them, that is; in 8-hour stage (75% epiboly).

Different Heat Shock Application Effect on Gynogenetic Production of Zebrafish (Danio rerio)

The early gastrula was observed 02 h 40 min AF (Figure 1a), and the 100% epiboly stage was observed 05 h 10 min AF (Figure 1g).

Embryonic and larval development of Brycon amazonicus (Spix & Agassiz, 1829)/Desenvolvimento embrionario e larval de Brycon amazonicus (Spix & Agassiz, 1829)

Regulation of cell polarity, radial intercalation, an epiboly in Xenopus: novel roles for integrin and fibronectin.

Desarrollo embrionario-larval y metamorfosis de Physalaemus albonotatus (Anura: Leptodactylidae)

Also, the term epiboly means that the growth of one dimension of human life (e.g., culture, knowledge, faith, education and etc.) overlies on other parts as the fermentation of certain energetic processing of psychometric characteristics of existence.

Analyses of the Universal Trading Processes between Human Species and Nature

Ten embryonic stages (egg, 16 cells, high, sphere, 30% epiboly, 2-somite, 21-somite, 27-somite, hatching and 1 day after hatching, DAH) were selected at the time before eye migration.

Genetic Characteristics and Evolution of Pitx2 in Sinistral Tongue Sole, Cynoglossus semilaevis and Dextral Stone Flounder, Kareius bicoloratus

1), but gastrulation is by epiboly in the two species of Capitella.

Development and larval feeding in the capitellid annelid Notomastus cf. tenuis

"Our results show that FAK has a critical role in morphogenesis and its activity is required for a specific morphogenetic movement called epiboly. Defects in epibloy lead to arrest of gastrulation, severe morphological and tissue positioning abnormalities and embryonic death," he said.