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a.1.(Anat.) Situated upon or above an artery; - applied esp. to the branches of the bronchi given off above the point where the pulmonary artery crosses the bronchus.
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Those with polysplenia typically are associated with hyparterial pulmonary bronchi, while asplenic patients usually have eparterial bronchi.
In asplenia, findings typically include bilateral tri-lobed lungs, eparterial bronchii and occasionally, ipsilateral location of the aorta and inferior vena cava.