| 单词 | branchial arch |
| 释义 | branchial arch in American Englishnoun Also called: gill arch, visceral arch1. Zoology one of a series of bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians; gill bar 2. Embryology one of a series of archlike mesodermal thickenings of the body wall in the pharyngeal region of the embryo of amphibians, reptiles, birds, and mammals Word origin [1870–75] |
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英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。