Transverse muscle of tongue
The transverse muscle of tongue is an Intrinsic [muscles of the tongue|intrinsic muscle] of the tongue. It consists of fibers which arise from the median [fibrous septum]. It passes laterally to insert into the submucous fibrous tissue at the sides of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII). Its contraction elongates and narrows the tongue.