‖Blas″tu‐la (�), n. [NL., dim. of Gr. βλαστόσ a sprout.] (Biol.) That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.
Content
Rights and sources
Review source, license and attribution information for this content.
Content
Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.