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The autoregulation of the microcirculation.

C Crone

    Acta Medica Scandinavica. Supplementum
    |January 1, 1975
    PubMed
    Summary

    August Krogh pioneered capillary physiology, introducing concepts like the tissue cylinder model and capillary intermittency. His work viewed microcirculation as an autoregulated system, matching oxygen supply with cellular demand.

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    Area of Science:

    • Physiology
    • Microcirculation Research
    • Control Theory Applications

    Background:

    • August Krogh's foundational work in capillary physiology.
    • The historical context of understanding microcirculation.

    Purpose of the Study:

    • To review August Krogh's key contributions to capillary physiology.
    • To highlight Krogh's early application of control theory to biological systems.
    • To summarize recent research on Krogh's theories.

    Main Methods:

    • Review of historical scientific literature.
    • Analysis of August Krogh's conceptual frameworks.
    • Synthesis of recent research findings.

    Main Results:

    • Krogh's introduction of the "tissue cylinder model".
    • Elucidation of "capillary intermittency" and its role.
    • Recognition of the matching between capillary perfusion and cellular metabolism.
    • Krogh's conceptualization of microcirculation as an autoregulated system with tissue oxygen tension as the controlled parameter.

    Conclusions:

    • August Krogh's theories remain highly relevant in modern physiology.
    • Krogh's work laid the groundwork for understanding microcirculation as a dynamic, autoregulated system.
    • Ongoing research continues to validate and expand upon Krogh's pioneering concepts.

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