DICT.TW Dictionary Taiwan
18.218.38.67

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Ec·ten·tal a.  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.