supplies connecting branch of branching part of vessel supplies blood to facial artery artery lower lip artery of lower lip EMAPA:37429 FMA:49567 UBERON:0003471 ramus labialis inferior arteriae facialis MA:0001916 Wikipedia:Inferior_labial_artery SCTID:145036002 inferior labial branch of facial artery uberon ramus labialis inferior (arteria facialis) inferior labial artery The inferior labial artery (inferior labial branch of facial artery) arises near the angle of the mouth; it passes upward and forward beneath the Triangularis and, penetrating the Orbicularis oris, runs in a tortuous course along the edge of the lower lip between this muscle and the mucous membrane. It supplies the labial glands, the mucous membrane, and the muscles of the lower lip; and anastomoses with the artery of the opposite side, and with the mental branch of the inferior alveolar artery. arteria labialis inferior head blood vessel systemic artery artery of lip