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Biomechanics of the spiral arrangement of the muscle elements in the vessels and mechanisms of its regulation in hemodynamics

, : Biomechanics of the spiral arrangement of the muscle elements in the vessels and mechanisms of its regulation in hemodynamics. Arkhiv Anatomii Gistologii i Embriologii 95(12): 27-35

On the basis of a previously proposed hypothesis about a spiral orientation of muscle elements in the walls of muscular arteries, terminal arteries and arterioles, as a universal regularity, concrete mechanisms of vascular biomechanics and bioregulation at hemodynamics are analyzed. The latter come to a cyclic change of the vasodilatatory phase into the vasoconstrictory one and vice versa, accompanying with a change of pressures in the local areas of the vessel from the lower to the higher and vice versa along the vascular length. Movement of the pulsive wave with the muscle elements is ensured by a consecutive change of pressures in successive local areas. This is performed under the influence of the blood streau pulsive wave and ensured by a multicontour regulatory system, including termnal and central, cholinergic and adrenergic reflectory arches, interacting in accordance with the principle of double reciprocal innervation and regulation.


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