circumflex artery

noun

Medical Definition of circumflex artery

: any of several paired curving arteries: as

a : 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 artery

b : 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 artery

c : circumflex iliac artery

d : a branch of the subscapular artery supplying the muscles of the shoulder