epiboly
noun
epib·o·ly i-ˈpi-bə-lē 
plural epibolies
: the growing of one part about another
especially : such growth of the dorsal lip area during gastrulation
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“Epiboly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/epiboly. Accessed 28 Apr. 2026.
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epiboly
noun
epib·o·ly
variants also epibole
plural epibolies also epiboles -lēz
: the growing of one part about another
especially : such growth of the dorsal lip area during gastrulation
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