LOBAÇÃO, ÁRVORE BRÔNQUICA E VASCULARIZAÇÃO DO PULMÃO DE CATETOS (Pecari tajacu Linnaeus, 1758)
2015
GLEIDSON BENEVIDES DE OLIVEIRA | RADAN ELVIS MATIAS DE OLIVEIRA | FERDINANDO VINICIUS FERNANDES BEZERRA | MOACIR FRANCO DE OLIVEIRA
This study aimed to characterize the lobation and describe the bronchial tree and vasculariza-tion of the lung collared peccaries. 12 animals that died in Multiplication Center of Wild Animals (CEMAS/UFERSA) were used. For analysis of the bronchial tree, the trachea was perfused with latex or vinyl and for identification of arterial vascularization, the pulmonary artery was perfused with red latex. For the visualization of the pulmonary veins, the left atrium was perfused in retrograde direction with blue latex. Likewise we pro-ceeded with perfusion with vinyl. The pieces injected with latex were fixed in 10% formaldehyde for 48 hours and then performed the dissections. Those perfused with vinyl were dipped in a solution of 30% H2SO4 until complete corrosion. The right lung was composed of the cranial, middle, caudal and accessory lobes, while the left lung by cranial (cranial and caudal portions) and caudal lobes. The trachea before of the bifurcation in left and right main bronchi, issued a tracheal bronchus towards the right cranial lobe. The right bronchus gave a branch to the middle lobe, one to accessory and another to the right caudal lobe, while the left bronchus gave a branch to the right cranial lobe (cranial and caudal portions) and another to the left caudal lobe. The study on bronchial and vascular segmentation is useful in clinical and surgical applications, in particular in cases of per-foration, and stenosis or tumors, which require the completion of partial lobectomy.
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