The aim of this study was perform a complete anatomical characterization of the bronchial and pulmonary structures of the dog, which provides clear references for different procedures from the veterinary medical practice. Were used for this purpose a total of 8 dogs natives, with an age range between 3 and 5 years old and in good health; bronchoscopy was performed in 4 of these, thin bronchial tissue dissection in 3 and in an individual, cut coronal lungs to display the bronchial ramifications and its distribution within the lobe. The results show that using the techniques of fine dissection and coronal