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Biol.Cybern.65,l-10 (1991) @ Springer-Verlag l99l

Summary: Biol.Cybern.65,l-10 (1991)
@ Springer-Verlag l99l
Models of membraneresonancein pigeonsemicircularcanal type II
hair cells
D. E. Angelakit and M. J. Correia2
I Department of Physiology, University of Minnesota, Minneapolis, Minn, USA
2 Department of Otolaryngology, Physiology and Biophysics, University of Texas Medical Branch, Galveston, Tex, USA
ReceivedNovember 23, l99}lAccepted in revised form March 5, 1991
Abstract. Pigeon vestibular semicircular canal type II
hair cells often exhibit voltage oscillations following
current stepsthat depolarize the cell membrane from its
resting potential. Currents active around the resting
membrane potential and most likely responsiblefor the
observedresonant behavior are the Ca++-insensitive,
inactivating potassium conductance 1o (A-current) and
delayed rectifier potassium conductance IK. Several
equivalent circuits are considered as representative of
the hair cell membrane behavior, sufficient to explain


Source: Angelaki, Dora - Department of Anatomy and Neurobiology, Washington University in St. Louis


Collections: Biology and Medicine