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<p>Functional characteristics of different types of spleen venous bed biunites (BU) (by analogy with bifurcation) were studied by digital modeling based on the results of morphometry. Digital models of three different BU types were used: first (D &lt; d<sub>max</sub> + d<sub>min</sub>), zero (D = d<sub>max</sub> + d<sub>min</sub>); second (D &gt; d<sub>max</sub> + d<sub>min</sub>), where D is the diameter of the proximal, d<sub>max</sub> and d<sub>min</sub> are internal diameters of the distal segments. The ANSYS computer program was used to analyze the hemodynamic resistance and rigidity of the BU structure, and the Vasculograph software was used to analyze the coverage area. It was found that BU can be arranged as follows: by increasing hemodynamic resistance – first, second, and zero type BU; drainage function – second, zero, and first type BU; supporting function – zero, first, and second type BU. Different BU types make unequal contribution to different functions.</p>

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Functional Characteristics of Different Types of Structural Components (Biunites) of Intraorganic Venous Bed in the Spleen in Normal

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • A. Sh. Dadashev,
  • O. K. Zenin,
  • A. A. Sergienko,
  • H. M. Bataev,
  • I. U. Vagabov,
  • E. S. Kafarov

摘要

Functional characteristics of different types of spleen venous bed biunites (BU) (by analogy with bifurcation) were studied by digital modeling based on the results of morphometry. Digital models of three different BU types were used: first (D < dmax + dmin), zero (D = dmax + dmin); second (D > dmax + dmin), where D is the diameter of the proximal, dmax and dmin are internal diameters of the distal segments. The ANSYS computer program was used to analyze the hemodynamic resistance and rigidity of the BU structure, and the Vasculograph software was used to analyze the coverage area. It was found that BU can be arranged as follows: by increasing hemodynamic resistance – first, second, and zero type BU; drainage function – second, zero, and first type BU; supporting function – zero, first, and second type BU. Different BU types make unequal contribution to different functions.