Facial artery is a branch of
## **Core Concept**
The facial artery is a significant branch that arises from the **external carotid artery**, which is one of the main arteries supplying blood to the head and neck. The external carotid artery has several branches that supply various structures in the face and neck.
## **Why the Correct Answer is Right**
The **external carotid artery** gives rise to several branches, including the facial artery, which supplies blood to the face. The facial artery originates from the anterior aspect of the external carotid artery, near the angle of the mandible, and then courses upwards and medially towards the face. This artery is crucial for supplying blood to the structures of the face.
## **Why Each Wrong Option is Incorrect**
* **Option A:** The **internal carotid artery** primarily supplies blood to the brain and is not directly associated with the branches that supply the face. It does not give rise to the facial artery.
* **Option B:** The **common carotid artery** bifurcates into the internal and external carotid arteries but does not directly give rise to the facial artery.
* **Option D:** The **lingual artery** is another branch of the external carotid artery but is specifically involved in supplying blood to the tongue, not the face.
## **Clinical Pearl / High-Yield Fact**
A key clinical point to remember is that the facial artery can be palpated against the mandible, near its origin, making it an accessible point for clinical assessment or procedures. The facial artery's course and branches are also relevant in reconstructive surgeries and understanding facial pathology.
## **Correct Answer:** C. External carotid artery.