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International Journal of Morphology

On-line version ISSN 0717-9502


OLIVARES P-M, Ricardo  and  GIL G, Julio. Pulmonary Lobulation of the White Rat (Rattus norvegicus albinus). Int. J. Morphol. [online]. 2016, vol.34, n.3, pp.901-903. ISSN 0717-9502.

The laboratory rat (Rattus norvegicus albinus) laboratory rat has long been used as a biological model for research. Therefore knowledge of its anatomy, particularly as related to pulmonary lobulation is useful for any applications in the biomedical sciences. For this reason, 10 male rats of the Wistar strain were used. After being sacrificed by overdose of intraperitoneal thiopental and before extracting the lungs from the thoracic cavity, 7 of them were injected 10 % formalin intratracheal and the other 3, self-curing dental acrylic, subsequently placing the tissue in a KOH solution for corrosion. Thus, according to the observed bronchial tree, 4 lobes were observed in the right lung (cranial, middle, caudal and accessory) and only one lobe not divided in the left lung.

Keywords : Lung; Pulmonary lobulation; Rat; Animal model; Corrosion.

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