gill arch
Definition of gill arch
1 : any of the bony or cartilaginous arches or curved bars extending dorsoventrally and placed one behind the other on each side of the pharynx and supporting the gills of fishes and amphibians
2 : any of the rudimentary ridges in the embryos of all higher vertebrates that correspond to the gill arches
From the M-W Editors
1879
First Known Use of gill arch
1879
Medical Dictionary
gill arch
Medical Definition of gill arch
: one of the bony or cartilaginous arches or curved bars extending dorsoventrally and placed one behind the other on each side of the pharynx and supporting the gills of fishes and amphibians; also : branchial arch
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