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Cerebral arterial vascularization of the scimitar-horned oryx (Oryx dammah)
AbstractThe Scimitar-horned Oryx (Oryx dammah) is a large terrestrial mammal native to Africa. Since the year 2000, it is classified as extinct in the wild. It is a subject of various conservation projects. The aim of this study was to describe the arterial vascularization of the brain in this species of oryx. Three different anatomical methods were used to obtain a complete arterial pattern - latex injection, corrosion cast, and computed tomography. The arterial vascularization of the brain was described. The main components of the cerebral arterial circle were the rostral cerebral arteries and the caudal communicating arteries. These vessels were created from the intracranial part of the internal carotid artery, that emerged from the rostral epidural rete mirabile. In the juvenile specimen, the whole internal carotid artery was observed. The anatomical pathways of the blood supply to the brain are important during medical procedures in cases of congestion and fainting caused by inadequate brain blood perfusion.