摘要：Using as study method the injection of plastic followed by corrosion, we described, on an 8 months fetal lung, a particular branching pattern of the right bronchial tree were the superior lobar bronchus arise on the right side of the trachea, at 4.1 cm cranial to tracheal bifurcation. Other features of tracheo-bronchial branching encountered in this case: the level and tracheal bifurcation site and origin and the trajectory of the main bronchi, the middle lobar bronchi of the right lung and apical bronchus of the inferior lobar bronchi. To these peculiarities of the tracheo-bronchial tree are described also the peculiarities of the pulmonary arteries branches, which accompanies bronchial ramifications.
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