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Orentlicher M, Reuben JP. Localization of ionic conductances in crayfish muscle fibers. J Membr Biol. 1971;4(1):209-26doi: 10.1007/BF02431972.
Orentlicher, M., & Reuben, J. P. (1971). Localization of ionic conductances in crayfish muscle fibers. The Journal of membrane biology, 4(1), 209-26. https://doi.org/10.1007/BF02431972
Orentlicher, M, and Reuben, J P. "Localization of ionic conductances in crayfish muscle fibers." The Journal of membrane biology vol. 4,1 (1971): 209-26. doi: https://doi.org/10.1007/BF02431972
Orentlicher M, Reuben JP. Localization of ionic conductances in crayfish muscle fibers. J Membr Biol. 1971 Dec;4(1):209-26. doi: 10.1007/BF02431972. PMID: 24174240.
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J Membr Biol. 1971 Dec;4(1):209-26. doi: 10.1007/BF02431972.

Localization of ionic conductances in crayfish muscle fibers.

The Journal of membrane biology

M Orentlicher, J P Reuben

Affiliations

  1. Department of Neurology, Columbia University, College of Physicians and Surgeons, 10032, New York, New York.

PMID: 24174240 DOI: 10.1007/BF02431972

Abstract

Analysis of the changes in membrane potential and conductance of isolated crayfish muscle fibers caused by rapid solution changes leads to the following conclusions. First, the extensive invagination system of this fiber presents a barrier for diffusion between bath and sarcolemma that accounts for the time lag of electrical responses to changes in bath chloride concentration. Morphological data regarding these invaginations were used in a model which simulated the fiber response on an analog computer. Second, the potassium conductance is effectively localized on the sarcolemma in direct contact with the bath (superficial sarcolemma), whereas the chloride conductance is restricted to the invaginations. This distribution of conductances is the reverse of that found in frog muscle.

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