part of part of subdivision of skeletal system hyoid arch skeleton hyoid apparatus AAO:0000682 A group of bones comprised of hyoid body and two pairs of cornua (i.e. greater cornua and lesser cornua), and lies just below the tongue, above the thyroid cartilage. http://palaeos.com/vertebrates/bones/gill_arches/images/ReptileHyoids.gif UBERON:0010272 MA:0003037 apparatus hyoideus AAO:0000225 SCTID:410035009 hyolingual system hyobranchial apparatus