| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024bran′chial arch′, - Zoologyone 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. - [Embryol.]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. Also called gill arch, visceral arch.
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