connecting branch of vessel supplies blood to Homo sapiens facial artery artery lower lip artery of lower lip inferior labial branch of facial artery EMAPA:37429 inferior labial artery ramus labialis inferior (arteria facialis) FMA:49567 UBERON:0003471 ramus labialis inferior arteriae facialis MA:0001916 Wikipedia: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 SCTID:145036002 head blood vessel artery of lip