A portable, simple sonomicrometer.
D001699:Biometry / Q000295:instrumentation*; D004562:Electrocardiography; D004581:Electronics / Q000295:instrumentation*; D006321:Heart / Q000502:physiology; D007668:Kidney / Q000502:physiology; D008099:Liver / Q000502:physiology; D013154:Spleen / Q000502:physiology; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation*