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Webster 1913 Edition

Adj.

[Gr.

ἐκτόσ

outside + [GREEK] inside.]

(Biol.)

Relating to, or connected with, the two primitive germ layers, the ectoderm and ectoderm;

as, the “

ectental

line” or line of juncture of the two layers in the segmentation of the ovum

C. S. Minot.

ectental ‎(not comparable)

(biology) Relating to, or connected with, the two primitive germ layers, the ectoderm and endoderm.

the ectental line, or line of juncture of the two layers in the segmentation of the ovum

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