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Abstract
The origins and distribution of the arteries to the right and left thoracic lobes of the thymus were studied in 30 swine fetuses of the Piau breed, of which 15 whre males and 15 where females. The arterial systems of these animals were filled with aqueous Neoprene Latex “450” solution. After, the specimens were fixed in 10% aqueous solution formaldehyde. The left thoracic lobe was irrigated by direct branches of the subclavian, internal thoracic, external thoracic, external thoracic, vertebral, deep cervical and pericardiacophrenic arteries of the respective side by direct branches from the bicarotic trunk and by indirect branches from the left internal thoracic and left subclavian arteries, and also from the brachiocephalic trunk. The right thoracic lobe of the thymus received direct branches from internal thoracic, external thoracic and deep cervical arteries of the both side and direct branches from the brachiocephalic trunk. In addition, indirect branches from the right internal thoracic artery also contributed to the irrigation of this lobe.
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Copyright (c) 2003 Frederico Ozanam Carneiro e silva, Renato Souto Severino, Sérgio Salazar Drummond, Pedro primo Bombonato, Leider Roberto Teixeira bento, Eduardo Mauricio Mendes de Lima
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