Fibrous bands in conducting pulmonary arteries.
D000328:Adult; D000368:Aged; D003238:Connective Tissue / Q000473:pathology; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery / Q000473:pathology*; D011655:Pulmonary Embolism / Q000473:pathology* / Q000503:physiopathology