TOPOGRAPHIC AND ANATOMICAL FEATURES OF THE STRUCTURE OF THE VENOUS POOLS OF THE KIDNEY IN THE TRIZONAL SYSTEM OF ITS BLOOD SUPPLY
Abstract
The purpose of this study was to investigate topographic and anatomical features of the structure of the venous pools of the kidney with a three-zone system of its blood supply.
124 polychrome corrosive preparations of the arterial and venous system of the human kidney digitized using a three-dimensional microcomputer tomographic digital system were studied. In the course of the study, a group of kidneys with a three-zone blood supply system (29%) was selected, i.e. with a system where the main renal artery (I-order artery) at the hilum of the kidney divides into 3 zonal arteries (II-order arteries), which in turn form arterial pools in the kidneys. When studying a group of kidneys with a three-zone blood supply system, 4 variants of venous outflow from the kidney with its three-zone blood supply were identified (total: 17.3% of cases, at p≤0.05). The presented variants differed in the structure and course of the renal vessels, namely, in the type of trichotomy
division of the main renal artery “A. renalis” (I), the type of branching of the zonal renal arteries (II), the area of blood supply to various zones and segments of the kidney, as well as the type of venous drainage of 3 zones of the kidney. In variant 1 and 4 of the three-zone system of blood supply to the kidney, the upper anterior, upper posterior, and lower pole arterial pools were identified; ventral and dorsal venous pools (10.7% of cases). These variants differed in the type of branching of the zonal renal arteries. In variant 2, the upper polar, central and lower polar arterial basins were identified; upper and lower polar venous pools (4.3% of cases). In option 3 - lower ventral, lower dorsal and upper pole arterial pools; upper and lower polar venous pools (2.3% of cases).
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Keywords
renal artery
renal veins
3D - modeling Почка
почечные вены
почечная артерия
3D-моделирование Böyrək
böyrək damarları
böyrək arteriyası
3D - modelləşdirmə
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