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  • Title: [Subendocardial vascular plexus of the human ventricular myocardium in ontogenesis studied by scanning electron microscopy].
    Author: Stebel'skiĭ SE, Mishalov VD.
    Journal: Arkh Anat Gistol Embriol; 1991 Apr; 100(4):54-62. PubMed ID: 1789750.
    Abstract:
    By means of scanning electron microscopy of native and corrosive preparations peculiarities of endocardium of the papillary-trabecular apparatus of the human heart ventricle and its vessels have been studied in ontogenesis. Folds of the endocardium increase its contact area with blood and also increase reserve of its elasticity at diastole. The subendocardial vascular plexus is formed by capillary-like venous sinusoids. They situate in the direction to the compact myocardium at the depth of 300-500 mcm. They are supposed to perform resorptive functions of nutritive substances and oxygen from blood, which is in the ventricular cavities and to smooth blood pressure between blood in the ventricular cavities and vessels of the compact myocardium.
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