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Sistematização e descrição da vascularização arterial do páleo-palio na superfície do cérebro de javali (Sus scrofa scrofa) / Systematization and description of the arterial blood supply of the paleopallia areas in the brain surface of the wild boar (Sus scrofa scrofa)

Nascimento, Patrícia Bastos do; Oliveira, João César Dias; Campos, Rui.
Acta sci. vet. (Online); 47: Pub. 1631, 2019. ilus
Artigo em Português | VETINDEX | ID: vti-18479


Background: The study was performed on wild boar (Sus scrofa scrofa) wich is a wild ancestor of the domestic pig and is not partof Brazilian fauna. The arterial blood supply of the encephalus has been studied by some researchers, who have systematized thecerebral blood supply from the rostral and caudal epidural rete mirabile and its sources in wild boar until the blood supply of the baseof the brain. The objective was to improve the understanding of the arterial blood supply of the brain, particularly the paleopallium,of the wild boar and to provide a reference for comparative anatomy studies.Materials, Methods & Results: A total of 30 brains were obtained from an officially authorised slaughterhouse and approved byBrazilian Institute of Environment and Natural Renowable Resources. The animals were desensitized, followed by bleending of thejugular veins and common carotid arteries near the entrance of the thorax, according to the slaughter procedure. Finally, the animalswere decapitated at the level of axis vertebra. The cerebral arterial system of each animal was rinsed (cooled saline containing 2500IU of heparin) and drained by the jugular veins, and vessels were filled with latex 603 stained with specific red dye. The heads weresubmerged for one hour in running water immersed in 20% formaldehyde for fixation; the brains were removed along with a cervicalsegment of the spinal cord. The duramater was removed, and the arteries were dissected. Schematic drawings of the ventral view ofthe all preparations were made using magnifying glasses and photographic records. The Nomina Anatomica Veterinaria was usedto named the cerebral arteries and their branches, and calculation of pecentages was applied in the statistical analysis. The cerebralcarotid artery originating from the rostral epidural rete mirabile emitted a rostral branch and a caudal branch on the side of the hypophysis gland...(AU)
Biblioteca responsável: BR68.1