THE LUNGS 



541 



The apical lobe of the right lung receives a special bronchus from the trachea oppo- 

 site the third rib, and is adherent to the trachea from the second rib backward. 

 The two lungs are not adherent to each other behind the root as in the horse, but 





'■.■'. It'rr 



Di aphraotnal/c 



Fig. 4(9. — Right Luxg of r)x; Costal Surface. 

 Hardened in situ. By an error tlie inscription "cardiac lobe" extends forward upon what is a division of the apical 



lobe. 



Line of 

 rerleciion 



Fig. 480. — Right Lung of Ox; Medial \'iew. 

 Hardened i»i si(M. i, Left bronchus; a, pulmonary veins; S, pulmonary artery. Mediastinal lobe = intermediate lobe. 



are in contact with the (Esophagus; above and below the latter the pleura is re- 

 flected, as shown in Fig. 480. 



The interlobar fissures begin at the ventral margin of the lung and pass toward the root. 

 Those of the left lung he opposite to the fourth and sixth ribs. The diaphragmatic lobe is the 



