Calcium Movements in Brain During Failure of Energy Metabolism

  • E. Zhang
  • M. Lauritzen
  • T. Wieloch
  • A. J. Hansen

Abstract

The interstitial ion concentrations in brain are maintained within narrow limits. Changes in plasma concentrations are effectively dealt with by the low ionic permeability of the blood-brain barrier combined with active transport processes located in the brain endothelium and in the choroid plexus [3]. The most important reason for disturbances in brain ion milieu is the fact that the ions are not in electrochemical equilibrium across the cell membrane. Active transport processes are constantly needed to counteract the passive dissipation of the ion gradients.

Keywords

Permeability Magnesium Depression Ischemia Retina 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • E. Zhang
    • 1
  • M. Lauritzen
    • 1
  • T. Wieloch
    • 2
  • A. J. Hansen
    • 1
  1. 1.Department of General Physiology and BiophysicsUniversity of CopenhagenCopenhagen NDenmark
  2. 2.Laboratory of Experimental Brain ResearchUniversity of LundS-LundSweden

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