Who is Rene Laennec?

René Laennec was a French physician who invented the stethoscope. René Laennec was born on  February 17, 1781, in Quimper, France. The initial model he developed consisted of a wooden tube and was monaural; it was very similar to the common ear trumpet, a historical form of hearing aid. The new device helped him in classifying the terms rales, rhonchi, crepitance, and egophony pertaining to sounds captured by the stethoscope. He coined the term melanoma, referring to a type of cancer that typically occurs in the skin but may rarely occur in the mouth, intestines, or eye. He was the first to recognize that melanotic lesions were the result of metastatic melanoma. His report on the disease was initially presented during a lecture for the Faculté de Médecine de Paris in 1804 and then published as a bulletin in 1806. His works helped in understanding the liver disease, cirrhosis. He coined the term cirrhosis, using the Greek word that referred to the tawny, yellow nodules characteristic of the disease.

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