N.N. SHEVLYUK, A.A. STADNIKOV, A.V. RADCHENKO Orenburg State Medical University” of the Ministry of Health of the Russian Federation  Contact details: Shevlyuk N.N. – D.Sc. (medicine), Professor of the Department of Histology, Cytology and Embryology Address: 6 Sovetskaya St., Orenburg, Russian Federation 460000, e-mail: k_histology@orgma.ru The article based on the analysis of experimental material (90 […]