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  • Title: The arteries of brain base in species of Bovini tribe.
    Author: Zdun M, Frąckowiak H, Kiełtyka-Kurc A, Kowalczyk K, Nabzdyk M, Timm A.
    Journal: Anat Rec (Hoboken); 2013 Nov; 296(11):1677-82. PubMed ID: 24106047.
    Abstract:
    Studies were conducted on 78 preparations of head and brain arteries in four species of Bos genus, that is in domestic cattle (N = 59), including 22 foetuses (CRL 36.5-78.5 cm), in banteng (Bos javanicus, N = 3), yak (Bos mutus f. grunniens, N = 2), American bison (Bison bison, N = 4), and European bison (Bison bonasus, N = 10). The comparative analysis permitted to demonstrate a similar pattern of brain base arteries in the studied animals. In the studied species, blood vessels of the arterial circle of the brain were found to form by bifurcation of intracranial segments of inner carotid arteries, which protruded from the paired rostral epidural rete mirabile. In Bovidae arterial circle of the brain was supplied with blood mainly by maxillary artery through the blood vessels of the paired rostral epidural rete mirabile. The unpaired caudal epidural rete mirabile was participating in blood supply to the arterial circle of the brain from vertebral and occipital arteries. It manifested character of a taxonomic trait for species of Bos and Bison genera. Basilar artery in all the examined animals manifested a variable diameter, with preliminary portion markedly narrowed, which prevented its participation in blood supply to the arterial circle of the brain. The results and taxonomic position of the species made the authors to suggest a hypothesis that a similar arterial pattern on the brain base might be present also in other species, not included in this analysis.
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