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Henry Gray (1825–1861).  Anatomy of the Human Body.  1918.
 
situation, to accommodate itself to the movements of the pharynx in deglutition; and in the latter, to the movements of the mandible, lips, and cheeks.

Relations.In the neck, its origin is superficial, being covered by the integument, Platysma, and fascia; it then passes beneath the Digastricus and Stylohyoideus muscles and part of the submaxillary gland, and frequently beneath the hypoglossal nerve. It lies upon the Constrictores pharyngis medius and superior, the latter of which separates it, at the summit of its arch, from the lower and back part of the tonsil. On the face, where it passes over the body of the mandible, it is comparatively superficial, lying immediately beneath the Platysma. In its course over the face, it is covered by the integument, the fat of the cheek, and, near the angle of the mouth, by the Platysma, Risorius, and Zygomaticus. It rests on the Buccinator and Caninus, and passes either over or under the infraorbital head of the Quadratus labii superioris. The anterior facial vein lies lateral to the artery, and takes a more direct course across the face, where it is separated from the artery by a considerable interval. In the neck it lies superficial to the artery. The branches of the facial nerve cross the artery from behind forward.


FIG. 508– The arteries of the face and scalp. 1 (See enlarged image)


Branches.—The branches of the artery may be divided into two sets: those given off in the neck (cervical), and those on the face (facial).
Cervical Branches.
Facial Branches.
Ascending Palatine.
Inferior Labial.
Tonsillar.
Superior Labial.
Glandular.
Lateral Nasal.
Submental.
Angular.
Muscular.
Muscular.
Note 1.  The muscular tissue of the lips must be supposed to have been cut away, in order to show the course of the labial arteries. [back]

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