| parablast | <biology> A portion of the mesoblast (of peripheral origin) of the developing embryo, the cells of which are especially concerned in forming the first blood and blood vessels. Origin: Cf. Gr. To grow beside. See Para-, and -blast. Source: Websters Dictionary (01 Mar 1998) |
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| parablastic | <biology> Of or pertaining to the parablast; as, the parablastic cells. Source: Websters Dictionary (01 Mar 1998) |