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[Anatomy and function of the upper urinary tract].

T Kubo1, S Kawamura

  • 1Department of Urology, School of Medicine, Iwate Medical University.

Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|November 1, 1992
PubMed
Summary

Urine transport relies on gravity and ureteric peristalsis, not just the pacemaker system. Surgical impacts on the pacemaker do not affect urine transport, suggesting nerves aren't dominant.

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Area of Science:

  • Histology and gross anatomy of the upper urinary tract.
  • Physiology of urine transport from kidneys to bladder.
  • Nerve supply to the upper urinary tract.

Context:

  • Reviews experimental and clinical studies on urine transport.
  • Investigates the role of the calyceal pacemaker system.
  • Examines urine transport during urinary tract obstruction.

Purpose:

  • To elucidate the mechanisms of physiological urine transport.
  • To assess the role of the nervous system in upper urinary tract function.
  • To understand the implications of obstruction and surgical interventions on urine flow.

Summary:

  • The upper urinary tract's anatomy and nerve supply are detailed.
  • Urine transport involves a calyceal pacemaker system, gravity, and ureteric peristalsis.
  • Nerve supply is not dominant; gravity plays a role, especially during obstruction.

Impact:

  • Surgical interventions impairing the pacemaker do not affect urine transport.
  • Gravity contributes to urine transport, validating interventions like stenting.
  • Understanding ureteropelvic junction function is key for congenital hydronephrosis management.

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