Sentence:  As seen in types 1 , and 2 , , it supplies the hilar lymph nodes , vasa vasorum to the <WSD>pulmonary</WSD> artery and vein , the bronchi and the terminal bronchioles . 
Meaning of the word marked with <WSD> tags:  one of two arteries (branches of the pulmonary trunk) that carry venous blood from the heart to the lungs