A liquid ion-exchange resin microphone.
D003051:Cochlea / Q000502:physiology; D004560:Electricity; D004582:Electronics, Medical; D007475:Ion Exchange Resins; D008954:Models, Biological; D009991:Oscillometry; D013016:Sound; D013594:Syringes; D014159:Transducers
D007475:Ion Exchange Resins