The small pulmonary arteries in primary pulmonary hypertension and emphysema.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery / Q000473:pathology*; D011656:Pulmonary Emphysema / Q000473:pathology*