Figure 22: Bronchial Lymph Center of the Dog
Figure 22: a end of the trachea; b left and c right main bronchus; d left and e right cranial bronchus. 1 left tracheobronchial lymph node; 2 middle tracheobronchial lymph node; 3 right tracheobronchial lymph node; 4 pulmonary lymph node. Source: Dr. Hermann Baum (1918). (This work is in the public domain).