hanatomy16

The facial artery is a key branch of the external carotid artery, originating in the neck. It usually emerges at the upper border of the thyroid cartilage, either from the common carotid artery or directly from the external carotid artery. It runs along the nasolabial fold towards the medial canthus of the eye.

The parotid gland is one of the major salivary glands in the human body. It plays a vital role in digestion and oral health....

The dangerous area of the face is a triangular section defined by the corners of the mouth and the bridge of the nose, marked by the nasolabial folds. At the triangle’s vertices are the upper lip and nose, which are key structures in this region. A significant risk arises from the presence of veins that lack valves, enabling retrograde blood flow.