Basilar arteries of the brain in raccoon dog (Nyctereutes procyonoides (Gray, 1834)).

Observations carried out on 43 brains of raccoon dogs show that the system of basilar arteries of the brain is similar to that in other carnivores. The observed differences were manifested in different vessel connections and occurrence of some variations. In 53.4% cases the basilar artery in raccoon dogs develops from the combination of the even ventral spinal arteries and the vertebral arteries entering them. An unusual case of the reduction of spinal artery was also found.