Morphology and development of the arteries of vagina and female external genital organs during the fetal and neonatal periods of cattle.

The examinations were carried out on 79 cattle fetuses, the age of which was determined with Kantorova's method, and 10 newborns aged 1-14 days. Pelvis arteries were filled with latex dyed with red pigment through aorta or umbilical artery. The aim of the examinations was to determine the direction and rate of the developmental transformations of vaginal and internal pudendal arteries and their offshots in fetuses compared with newborns' arteries. As a result of the conducted investigations it was established that the aforementioned arteries underwent various qualitative and quantitative changes in the course of the fetus development.