dorsal lip Hear it!

dorsal lip definition

dorsal lip

that part of the rim of the blastopore that lies on the future dorsal side of the embryo: in vertebrates it contains the organizer that determines the position of the future nerve cord

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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