An electrical caliper for continuous measurement of relative displacement.
D001808:Blood Vessels / Q000502:physiology*; D002320:Cardiovascular Physiological Phenomena; D004208:Displacement, Psychological; D004560:Electricity; D004864:Equipment and Supplies; D016267:External Fixators; D010827:Physiology / Q000600:supply & distribution*
BLOOD VESSELS/physiology; PHYSIOLOGY/equipment and supplies