Source:http://linkedlifedata.com/resource/umls/id/C0037709
MSH: A type of non-ionizing radiation in which energy is transmitted through solid, liquid, or gas as compression waves. Sound (acoustic or sonic) radiation with frequencies above the audible range is classified as ultrasonic. Sound radiation below the audible range is classified as infrasonic.,CSP: effect produced on the organ of hearing and its central connections by the vibrations or air or other media; or, mechanical radiant energy and the motion of particles of the material medium through which it travels, providing the stimulus for the subjective sensation of hearing.,NCI: Mechanical vibrations transmitted by an elastic medium; the subjective sensation of hearing something; an audible event.