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epiboly

[ ih-pib-uh-lee ]

noun

, Embryology.
, plural e·pib·o·lies.
  1. the movement and spreading out of cells into sheets of tissue that overlie or surround other groups of cells, especially as in the formation of certain gastrulas.


epiboly

/ ɪˈpɪbəlɪ; ˌɛpɪˈbɒlɪk /

noun

  1. 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Derived Forms

  • epibolic, adjective
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Other Words From

  • ep·i·bol·ic [ep-, uh, -, bol, -ik], adjective
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Word History and Origins

Origin of epiboly1

1870–75; < Greek epibolḗ a throwing on, equivalent to epi- epi- + bol- (variant stem of bállein to throw) + noun suffix
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Word History and Origins

Origin of epiboly1

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

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