variant of branchio- before a vowel.
of or relating to gills or to the homologous, embryonic parts in animals without gills. Historical Examples The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour The Ocean World: Louis Figuier The Appendages, Anatomy, and Relationships of Trilobites Percy Edward Raymond The Vertebrate Skeleton Sidney H. Reynolds Encyclopaedia Britannica, 11th Edition, […]
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. 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.
Zoology. one of a series of slitlike openings in the walls of the pharynx between the branchial arches of fishes and aquatic amphibians through which water passes from the pharynx to the exterior.