brachiocephalic arterial trunk

bra·chi·o·ce·phal·ic ar·te·ri·al trunk

(brā'kē-ō-se-fal'ik ahr-tēr'ē-ăl trŭngk)
Origin, arch of aorta; branches, right subclavian and right common carotid; occasionally it gives off the thyroidea ima.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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In this patient an echo-Doppler was done on the neck vessels, revealing the absence of the brachiocephalic arterial trunk, and even being able to individualize the anomalous base of the right subclavian artery in the aortic arch to the left of the left subclavian.