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Pituitary blood flow.

R B Page

    The American Journal of Physiology
    |December 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    This review examines pituitary blood flow, focusing on its direction, amount, and regional control. New anatomical and physiological techniques are reappraising established concepts and offering insights into pituitary function regulation.

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    Area of Science:

    • Physiology
    • Anatomy
    • Endocrinology

    Background:

    • Current understanding of pituitary blood flow direction is based on 50-year-old anatomical studies.
    • Existing concepts primarily focus on the direction of blood flow, with limited insight into regulation and microcirculation.
    • The role of median eminence microcirculation in pituitary function remains incompletely understood.

    Purpose of the Study:

    • To review and reappraise current concepts of pituitary blood flow, including its direction, amount, and regional control.
    • To explore the role of median eminence microcirculation in regulating pituitary function.
    • To highlight how new anatomical and physiological techniques can advance understanding of pituitary blood flow.

    Main Methods:

    • Review of existing literature on pituitary vascular anatomy and physiology.

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  • Integration of findings from new anatomical techniques and physiological studies.
  • Application of organ blood flow measurement techniques in conjunction with anatomical knowledge.

    • Main Results:

    • New anatomical techniques necessitate a reappraisal of pituitary angioarchitecture and accepted concepts of directional blood flow.
    • Physiological studies are clarifying blood flow patterns within the entire pituitary gland.
    • Accurate organ blood flow measurement techniques, combined with anatomical data, offer new insights into pituitary function control.

    Conclusions:

    • Advancements in anatomical techniques are crucial for understanding the three-dimensional microvasculature of the median eminence.
    • New physiological studies are needed to test emerging concepts of blood flow regulation within the median eminence.
    • Integrating anatomical and physiological data is key to understanding how chemical messengers are delivered to the pituitary, thereby controlling its function.