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Year 2018 - Volume 38, Number 7
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Telencephalon vascularity in sheep (Ovis aries), 38(7):1449-1452
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BSTRACT.- Skoczylas B., Brudnicki W., Kirkiłło-Stacewicz K., Nowicki W. & Wach J. 2018. Telencephalon vascularity in sheep (Ovis aries). Pesquisa Veterinária Brasileira 38(7):1449-1452. Department of Animal Morphology and Hunting, Faculty of Animal Breeding and Biology, UTP University of Science and Technology, Bernardyńska 6/8, 85-029, Bydgoszcz, Poland. E-mail: anat@utp.edu.pl
The studies into the vascularity of the telencephalon in Polish Merino sheep of both sexes were made on 60 cerebral hemispheres. It was found that the middle cerebral artery is the most powerful vessel supplying blood to the telencephalon. The artery gets divided into ten permanent branches. Two olfactory arteries supply the area of the telencephalon located on the border between the old and the new cortex. The other eight branches get divided into three branches running to the region of the frontal lobus of the brain, two branches - to the region of the parietal lobus and three temporal branches heading for the temporal region, supplying blood to the new cortex only. The frontal, parietal and temporal branches descended independently from the main trunk of the middle cerebral artery or first formed a common trunk. Common trunks for respective groups of branches have been referred to as: the anterior, superior and posterior middle cerebral arteries. The posterior olfactory artery in 6.7% of the cases was an independent branch from the rostral cerebral artery. |
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