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Facial artery
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Facial artery : ウィキペディア英語版
Facial artery

The facial artery (external maxillary artery in older texts) is a branch of the external carotid artery that supplies structures of the superficial face.
== Structure ==
The facial artery arises in the carotid triangle from the external carotid artery a little above the lingual artery and, sheltered by the ramus of the mandible, passes obliquely up beneath the digastric and stylohyoid muscles, over which it arches to enter a groove on the posterior surface of the submandibular gland.
It then curves upward over the body of the mandible at the antero-inferior angle of the masseter; passes forward and upward across the cheek to the angle of the mouth, then ascends along the side of the nose, and ends at the medial commissure of the eye, under the name of the angular artery.
The facial artery is remarkably tortuous. This is to accommodate itself to neck movements such as those of the pharynx in deglutition; and facial movements such as those of the mandible, lips, and cheeks.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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