gill arch

Found in Anh - Anh (Wordnet)

Definition Noun : 1. A skeletal support structure in aquatic vertebrates : A gill arch is one of a series of curved, bony or cartilaginous structures located on either side of the pharynx (throat) in fish and some amphibians. Its primary function is to provide support for the gills, the organs used for breathing underwater. Examples of Usage Noun : The biologist examined the fish's gill arch to...