Sentence:  Also three other <WSD>direct</WSD> pathways of alveolar bronchial arterial supply were noted : via the pleura ; through the interlobular septa ; and along the terminal bronchiole ( figs. 14 , 17 , 18 , 19 ) . 
Meaning of the word marked with <WSD> tags:  direct in spatial dimensions; proceeding without deviation or interruption; straight and short