A.A. STADNIKOV1, V.N. KANYUKOV2, O.M. TRUBINA2, D.V. OLEYNIK2 1Orenburg State Medical University, 6 Sovetskaya Str., Orenburg, Russian Federation, 460000 2The Orenburg Branch of the S. Fyodorov Eye Microsurgery Federal State Institution, 17 Salmyshskaya Str., Orenburg, Russian Federation, 460047  Stadnikov A.A. ― D. Biol. Sc., Professor, Head of the Department of Histology, Cytology and Eembryology, tel. […]