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Aplysia Giant Cell: Soma-Axon Voltage Clamp Current Differences

R. T. Kado
Science
New Series, Vol. 182, No. 4114 (Nov. 23, 1973), pp. 843-845
Stable URL: http://www.jstor.org/stable/1737960
Page Count: 3
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Aplysia Giant Cell: Soma-Axon Voltage Clamp Current Differences
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Abstract

Under voltage clamp, local membrane currents have been measured in several regions of the soma. The early inward current appears to pass largely through the membrane of the axon and of the soma near the axon in normal media. After 10$^{-5}$ molar tetrodotoxin (TTX) is added to the bathing medium the larger inward current is found in the somatic membrane away from the axon. The late currents are larger at the soma in both normal and TTX media.

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