You searched for: “stethoscope
stethoscope
1. An instrument used to transmit low-volume sounds such as the heartbeat (or intestinal, venous, or fetal sounds) to the ears of the listener.
2.An instrument used to hear and to amplify the sounds produced by the heart, lungs, and other internal organs.

It has two earpieces and flexible tubing leading to them from the two-branched opening of the bell or cone; so, the sound travels simultaneously through both branches to the earpieces.

The stethoscope is one of the symbols of the medical profession.

The origins of the stethoscope have been traced back to the French physician, Laƫnnec, who invented a crude model in 1819, which consisted of a wooden box that served to help physicians hear the sounds within the chest cavity.

Word Entries containing the term: “stethoscope
electronic stethoscope
1. A stethoscope designed and equipped to detect and to amplify body sounds.
2. An electronic amplifier of sounds within a body.

Its selective controls permit a tuning for low heart tones or high pulmonary tones. It has an auxiliary output for recording or viewing audio patterns.

This entry is located in the following units: electro-, electr-, electri- (page 69) -tron, -tronic, -tronics + (page 12)