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. 1988 Feb;53(2):275-9.
doi: 10.1016/S0006-3495(88)83089-3.

Periaxonal K+ regulation in the small squid Alloteuthis. Studies on isolated and in situ axons

N J Abbott  1 , E M Lieberman, Y Pichon, S Hassan, Y Larmet
Affiliations

Periaxonal K+ regulation in the small squid Alloteuthis. Studies on isolated and in situ axons

N J Abbott et al. Biophys J. 1988 Feb.

Abstract

A novel giant axon preparation from the squid Alloteuthis is described. Properties of in situ and isolated axons are similar. Periaxonal K+ accumulation is a function of the physiological state of the animal and of the axon and its sheathing layers. Carefully dissected isolated axons, and axons in situ in a healthy mantle, show much less K+ accumulation than previously reported in squid. It is suggested that the Schwann cells are involved in the observed K+ regulation.

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