Sentence:  Our own studies in which <WSD>bronchial</WSD> artery pulmonary artery anastomoses were demonstrated , were accomplished by injecting the bronchial artery first with no pressure on the pulmonary artery or vein , and then by injecting the pulmonary artery and vein afterwards . 
Meaning of the word marked with <WSD> tags:  arteries that accompany the bronchioles