Definitions for "Gill rakers"
Keywords:  plankton, arch, bony, shark, anterior
Bony or cartilaginous structures (tooth-like, blade-like or filament-like) attached to the medial surface of the gill arches and extending inward.
comblike extensions from the inner surfaces of gill arches of plankton feeding fish.
1.) Finger-like processes on the gill arches in fishes and larval amphibians (Peters 1964). 2.) The rod-like projections on the inside of the gill arches.