mylohyoideus /mī′lōhī·oi″dē·əs/ [Gk, myle, mill, hyoeides, upsilon, U-shaped] , one of a pair of flat triangular muscles that form the floor of the cavity of the mouth. It is innervated by the mylohyoid nerve and acts to raise the hyoid bone and the tongue. Also called mylohyoid muscle. Compare digastricus, geniohyoideus, stylohyoideus.
