| eparterial | <anatomy> Situated upon or above an artery; applied especially. To the branches of the bronchi given off above the point where the pulmonary artery crosses the bronchus. Origin: Pref. Ep- + arterial. Source: Websters Dictionary (01 Mar 1998) |
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| eparterial bronchus | Right superior lobe bronchus which passes above the right pulmonary artery. (05 Mar 2000) |