Evidence that platelets are produced in the pulmonary circulation by a physical process.
D000818:Animals; D001792:Blood Platelets / Q000166:cytology*; D006410:Hematopoiesis; D008533:Megakaryocytes / Q000166:cytology; D008854:Microscopy, Electron; D008954:Models, Biological; D010976:Platelet Count; D011652:Pulmonary Circulation; D011817:Rabbits; D051381:Rats