STETHOSCOPE

n. Ste2th'o-skop. From orr/flos, the chest, and aKoirelv, to examine. Fr., stethoscope. Ger., Stethosjfop, Brunthorcher. An instrument for conveying to the ear the sounds proA BINAURAL STETHOSCOPE. duced within the body for diagnostic purposes; consisting of a tube with one end flaring for application to the chest-wall and the other end shaped for insertion into the ear. [B; a, 34.] Binaural s. A s. adapted for adjustment to both ears. [D.] Differential s. A binaural s. with two cones in connection with the eartubes, capable of being applied to different parts of the body simultaneously, and thus enabling the observer to compare the sounds at two different points. [D, 1.] Double s. See Binaural s. Pulse s. See SPHYGMOPHONE. [s. 539]