Anatomical Relationship Between the Kidney Collecting System and the Intrarenal Arteries in the Sheep: Contribution for a New Urological Model

The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology
Gabriela Faria Buys GonçalvesMarco Aurélio Pereira Sampaio

Abstract

Previous studies have demonstrated that the pig collecting system heals after partial nephrectomy without closure. Recently, a study in sheep showed that partial nephrectomy without closure of the collecting system resulted in urinary leakage and urinoma. The aim of this study was to present detailed anatomical findings on the intrarenal anatomy of the sheep. Forty two kidneys were used to produce tridimensional endocasts of the collecting system together with the intrarenal arteries. A renal pelvis which displayed 11-19 (mean of 16) renal recesses was present. There were no calices present. The renal artery was singular in each kidney and gave two primary branches one to the dorsal surface and one to ventral surface. Dorsal and ventral branches of the renal artery were classified based on the relationship between their branching pattern and the collecting system as: type I (cranial and caudal segmental arteries), type II (cranial, middle and caudal segmental arteries) or type III (cranial, cranial middle, caudal middle, and caudal segmental arteries). Type I was the most common branching pattern for the dorsal and ventral branches of the renal artery. The arterial supply of the caudal pole of the sheep kidney supports its use ...Continue Reading

References

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Citations

Feb 21, 2019·American Journal of Respiratory and Critical Care Medicine·Naoya IguchiClive N May
Aug 22, 2020·International Braz J Urol : Official Journal of the Brazilian Society of Urology·Daniel H ZiddeMarco A Pereira-Sampaio
Jun 20, 2018·PeerJ·Chatchote ThitaramKorakot Nganvongpanit
Oct 27, 2020·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Daniel H ZiddeMarco A Pereira-Sampaio

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