Ectental
Pronunciation : Ec*ten"tal
Part of Speech : a.
Etymology : [Gr. (Biol.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913