instrument for examining the chest, 1820, from French st�thoscope, coined 1819 by its inventor, French physician Ren� - Th�ophile - Hyacinthe La�nnec ( 1781 - 1826 ) , from Greek stēthos "chest, breast" - scope. Greek stēthos is perhaps related to sternon ( see sternum ) ; it meant "front of the chest, " and was only rarely used of a woman's breasts, but in Modern Greek it became the preferred polite term. Related: Stethoscopic; stethoscopically; stethoscopy.
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گوشی پزشکی ( Stethoscope )