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Biophysical Journal 16: 669-678 (1976)
© 1976 the Biophysical Society

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Experimental measurement of the stiffness of the cupula.

J W Grant and W C Van Buskirk

ABSTRACT

An experimental procedure is described which consists of cutting the canal duct, inserting a micropipette and administering known volumetric displacements to the cupula. The cupula is made visible by dying the endolymph. Known displacements are administered to the cupula, and the time constant of the return to its equilibrium position is measured. With this information, the stiffness of the cupula is calculated. The experiment was successfully carried out on five White King pigeons. The mean stiffness found in somewhat less than other results reported in the literature, and reasons for this discrepancy are noted.






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Copyright © 1976 by the Biophysical Society.