A stethoscope is a medical instrument represented by the emoji 🩺🔬. It is a diagnostic tool commonly used by healthcare professionals to listen to internal sounds of the body, such as heartbeats and lung sounds. The stethoscope consists of a pair of earpieces connected to hollow tubes, which lead to a chest piece with a diaphragm or bell. When placed on the patient's body, the stethoscope amplifies the sounds produced by various organs, allowing healthcare providers to assess their health and detect abnormalities.