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Webster 1913 Edition

Adj.

[Gr.

περιβλαστάνειν

to grow around. See

, and

(Biol.)

The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation.

–

Perˊi-blas′tic

Adj.

periblast ‎(plural periblasts)

(biology) The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation.