The inferior labial artery (inferior labial branch of facial artery) arises near the angle of the mouth as a branch of the facial artery; 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.
| Inferior labial artery | |
|---|---|
The labial coronary arteries, the glands of the lips, and the nerves of the right side seen from the posterior surface after removal of the mucous membrane. | |
The arteries of the face and scalp. (Inferior labial labeled at bottom right.) | |
| Details | |
| Source | Facial artery |
| Vein | Inferior labial vein |
| Supplies | Lower lip |
| Identifiers | |
| Latin | ramus labialis inferior arteriae facialis, arteria labialis inferior |
| TA98 | A12.2.05.025 |
| TA2 | 4393 |
| FMA | 49567 |
| Anatomical terminology [edit on Wikidata] | |
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.
Additional images
- Lateral head anatomy detail
- Head anatomy anterior view
- Inferior labial artery
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