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WATER TRANSPORT THROUGH A MULTICELLULAR TISSUE DURING FREEZING: A NETWORK THERMODYNAMIC MODELLING ANALYSIS.

Author(s) : DILLER K. R., RAYMOND J. F.

Type of article: Article

Summary

A NEW MODEL IS PRESENTED TODESCRIBE THE TRANSPORT WITHIN A MULTICELLULAR TISSUE IN RESPONSE TO AN EXTERNALLY IMPOSED OSMOTIC STRESS. THE SYSTEM CONSISTS OF SURFACE CELLS DIRECTLY IN COMMUNICATION WITH THE ENVIRONMENT AND CELLS EMBEDDED IN THE INTERIOR OF THE TISSUE. THE INTERIOR CELLS MAY EXCHANGE FLUID WITH THE ENVIRONMENT BY THE PARALLEL PATHWAYS OF THE INTERSTITIAL MATRIX AND ACROSS THE PLASMA MEMBRANES OF MORE SUPERFICIALLY POSITIONED CELLS. THE RESULTS DEMONSTRATE THE TRANSIENT BEHAVIOURS OF SURFACE AND INTERIOR CELLS TO A GIVEN ENVIRONMENTAL PERTURBATION AS A FUNCTION OF THE RELATIVE MAGNITUDES OF THE TRANSPORT RESISTANCES OF THE TRANSCELLULAR AND INTER-STITIAL PATHWAYS AND ILLUSTRATE CLEARLY THE SPATIAL DISTRIBUTION OFTHE OSMOTIC RESPONSE DURING THE PERFUSION AND/OR FREEZING OF A TISSUE.

Details

  • Original title: WATER TRANSPORT THROUGH A MULTICELLULAR TISSUE DURING FREEZING: A NETWORK THERMODYNAMIC MODELLING ANALYSIS.
  • Record ID : 1991-0877
  • Languages: English
  • Source: Cryo-Letters - vol. 11 - n. 2
  • Publication date: 1990/03
  • Document available for consultation in the library of the IIR headquarters only.

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