nounWortformen: plural ˈblastulas or ˈblastuˌlae (ˈblæstjuˌli
an embryo at the stage
in which it consists of usually one layer of cells around a central cavity, forming
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
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Wortherkunft von 'blastula'ModL, dim. < Gr blastos, a sprout