1 a wasting away of the body, as from poor nutrition, nerve damage, or disuse. 2  to undergo atrophy; wither; degenerate:His crippled leg began to atrophy with no exercise. 3  to become weakened; decline:Industry atrophied in bad economic times.
Voice Amplifiers / Long Range Listening Devices. Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. More complex systems contain an audio transmitter and receiver.
Implantable Middle Ear Hearing Devices (IMEHD) help increase the transmission of sound to the inner ear. IMEHDs are small implantable devices that are typically attached to one of the tiny bones in the middle ear. When they receive sound waves, IMEHDs vibrate and directly move the middle ear bones.