| 释义 |
dorsal lip
dor′sal lip′
n. the dorsal marginal region of the blastopore, which acts as a center of differentiation. [1935–40] dorsal lip
dorsal lip[′dȯr·səl ′lip] (embryology) In an amphibian embryo, the margin or lip of the fold of blastula wall marking the dorsal limit of the blastopore during gastrulation and constituting the primary organizer, is necessary to the development of neural tissue, and forms the originating point of chordamesoderm. dorsal lip
dorsal lip that part of the rim of the BLASTOPORE which in further development becomes the dorsal side.ThesaurusSeegastrulation |