TY JOUR TI MORPHOFUNCTIONAL SUBSTANTIATION OF THE VENOUS SYSTEM STRUCTURE IN THE INTERNAL ORGANS OF BIRDS KW poultry KW lungs KW esophagus KW glandular stomach KW kidneys KW uterus KW oviduct JO Vestnik of Omsk SAU AU FOMENKO, L.V. AU PERVENETSKAYA, M.V. AU DIKIH, A.A. PY 2026 IS 61 PB FSBEI HE Omsk SAU