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单词 Pharyngula
释义

Pharyngula

英语百科

Pharyngula

The pharyngula is a stage in the embryonic development of vertebrates. At this stage, the embryos of all vertebrates are similar, having developed features typical of vertebrates, such as the beginning of a spinal cord. Named by William Ballard, the pharyngula stage follows the blastula, gastrula and neurula stages.

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更新时间:2025/6/18 0:32:20