auricular branch of posterior auricular artery auricular branch of posterior auricular artery the auricular branch of posterior auricular artery is a small artery in the head. it branches off the posterior auricular artery and ascends behind the ear, beneath the posterior auricular muscle, and is distributed to the back of the auricula, upon which it ramifies minutely, some branches curving around the margin of the cartilage, others perforating it, to supply the anterior surface. it anastomoses with the parietal and anterior auricular branches of the superficial temporal artery. auricular branch of posterior auricular arterythe arteries of the face and scalp.detailssourceposterior auricular arteryidentifierslatinramus auricularis arteriae auricularis posteriorista98a12.2.05.042ta24410fma49641anatomical terminology