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Penile polsters: functional structures or atherosclerotic changes?

G S Benson, J A McConnell, W A Schmidt

    The Journal of Urology
    |June 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

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    This study found no evidence of polsters, structures thought to control penile blood flow during erection. The examined tissues revealed alternative explanations for these structures, refuting their role in erectile physiology.

    Area of Science:

    • Urology
    • Vascular Biology
    • Histology

    Background:

    • Penile erection involves complex blood flow regulation.
    • Polsters, intimal smooth muscle structures, were hypothesized to control this flow.

    Purpose of the Study:

    • To investigate the existence and role of polsters in penile vascular physiology.
    • To determine if polsters contribute to normal erectile function.

    Main Methods:

    • Histological examination of penile tissues from 4 adult males and 2 children.
    • Analysis of vascular structures in the penis and spermatic cord.

    Main Results:

    • No definitive evidence of classically described polsters was found.
    • Structures resembling polsters were identified as vessel branching points, smooth muscle cushions, or atherosclerotic lesions.

    Related Experiment Videos

  • These structures were also observed in spermatic cord vessels.

    • Conclusions:

    • The hypothesis that polsters control penile blood flow during erection is strongly refuted.
    • The identified structures do not support the classical description or proposed function of polsters in erectile physiology.