In typical cases because of the lower pressure in pulmonary circulation there is continuous flow thru the ductus arteriosus from aorta to pulmonary artery. (balkanvets.com)
The researchers published their findings in the journal Pulmonary Circulation. (scientificamerican.com)
There are just three ways to activate the flow of lymph away from the tissues it serves and back into the main pulmonary circulation. (wellbeingjournal.com)