释义 |
WordReference Random House Unabridged Dictionary of American English © 2024dor′sal lip′, [Embryol.]- Developmental Biologythe dorsal marginal region of the blastopore, which acts as a center of differentiation: as cells move through this region to the interior of the embryo during gastrulation, they acquire the ability to induce the overlying ectoderm to develop into a variety of tissues.
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