D. A. Volchenok
Siberian State Medical University
Russian Federation

Volchenok Daria Aleksandrovna — Graduate Student of the Department of  Histology,  Embriology and Cytology, Siberian State Medical University.

2, Moskovsky Trakt, Tomsk, 634050.

O. A. Tikhonovskaya
Siberian State Medical University
Russian Federation

Tikhonovskaya Olga Anatolyevna — Dr. Sci. (Med.), Professor of the Department of Obstetrics and Gynecology, Siberian State Medical University.

2, Moskovsky Trakt, Tomsk, 634050.

L. R. Mustafina
Siberian State Medical University
Russian Federation

Mustafina Liliya Ramilievna — Dr. Sci. (Med.), Professor of the Department of Histology, Embriology and Cytology, Siberian State Medical University.

2, Moskovsky Trakt, Tomsk, 634050.

S. V. Logvinov
Siberian State Medical University
Russian Federation

Logvinov Sergey Valentinovich — Dr. Sci. (Med.), Professor, Head of the Department of Histology, Embriology and Cytology, Siberian State Medical University.

2, Moskovsky Trakt, Tomsk, 634050.