masseteric artery masseteric artery the masseteric artery is small and passes laterally through the mandibular notch to the deep surface of the masseter muscle, which it supplies. masseteric arteryplan of branches of internal maxillary artery. (masseteric visible at bottom center.)the arteries of the face and scalp. (masseteric artery not labeled, but masseter muscle visible near center.)detailssourcemaxillary arterysuppliesmasseter muscleidentifierslatinarteria massetericata98a12.2.05.070ta24439fma49739anatomical terminology it anastomoses with the masseteric branches of the external maxillary artery and with the transverse facial artery. branches of the maxillary artery