Medical Definition of circumflex artery
: any of several paired curving arteries: asa: either of two arteries that branch from the deep femoral artery or from the femoral artery itself: (1): lateral femoral circumflex artery (2): medial femoral circumflex arteryb: either of two branches of the axillary artery that wind around the neck of the humerus: (1): anterior humeral circumflex artery (2): posterior humeral circumflex arteryc: circumflex iliac arteryd: a branch of the subscapular artery supplying the muscles of the shoulder
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