medical Definition of phrenic artery
: any of the several arteries supplying the diaphragm:
a
: either of two arising from the thoracic aorta and distributed over the upper surface of the diaphragm — called also
superior phrenic artery
b
: either of two that arise from the abdominal aorta either directly as separate arteries or from the celiac artery or a renal artery or from a common trunk originating in the abdominal aorta or the celiac artery and that supply the underside of the diaphragm and the adrenal glands — called also
inferior phrenic artery
