| 单词 | dorsal lip |
| 释义 | dorsal lip in American English 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 dorsal lip in American Englishnoun Embryology the 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 Word origin [1935–40]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Rhodesian ridgeback, aeroembolism, bingo, complementation, fluorocarbon |
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