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Webster 1913 Edition

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Noun.

;

pl.

Blastemata

[Gr.

βλάστημα

bud, sprout.]

(Biol.)

The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows.

blastema ‎(plural blastemas or blastemata)

(physiology) A clump of undifferentiated cells or blasts, from which an organ or body part will develop, either during the normal growth of an embryo or in the regeneration of a lost body part.

a clump of undifferentiated cells or blasts from which an organ or body part will develop