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Lingual artery. A. lingualis. Second anterior branch of external carotid artery. It is covered by the hyoglossus muscle and passes laterally into the tongue. ABC

Suprahyoid branch of lingual artery. Ramus suprahyoideus. It anastomoses at the hyoid bone with the infrahyoid branch and the branch from the opposite side. B Sublingual artery. A. sublingualis. Arising at the anterior margin of the hyoglossus, it passes between the mylohyoid and the sublingual gland and extends up to the gingiva. B Rami dorsales linguae. Dorsal lingual branches of lingual artery that supply the base of the tongue. B

Deep lingual artery. A. profunda linguae. As the main branch of the lingual artery, it passes between the genioglossus and inferior longitudinal muscles of the tongue to the apex of the tongue and anastomoses with the artery from the opposite side. B

Linguofacial trunk. [Truncus linguofacialis]. Occasionally present common trunk of lingual and facial arteries. A

Facial artery. A. facialis. Third anterior branch of external carotid artery. It runs below the sty-loyoid muscle, first upward, then laterad, and crosses the mandible at the anterior margin of the masseter. A B C

Ascending palatine artery. A. palatina ascen-dens. Arising from the proximal portion of the facial artery, it passes medial to the styloglos-sus muscle at the lateral wall of the pharynx to supply the palatal arches and adjacent musculature, often also the tonsils from above. It and the ascending pharyngeal artery can replace each other. C

Tonsillar branch. Ramus tonsillaris. Branch frequently arising from the ascending palatine artery and supplying the palatine tonsils. C Submental artery. A. submentalis. It lies caudal to the mylohyoid muscle and supplies mainly this muscle and the submandibular gland. It anastomoses with the sublingual artery. C

Glandular branches. Rami glandulares. Direct branches for the submandibular gland. C Inferior labial artery. A. labialis inferior. Artery for the lower lip situated between the muscle and the mucosa. It anastomoses with the submental and mental arteries as well as the artery of the opposite side. C Superior labial artery. A. labialis superior. Artery for the upper lip situated between the muscle and mucosa. It anastomoses with the transverse facial and infra-orbital arteries as well as the artery of the opposite side. C 13a Nasal septal branch. Ramus septi nasi. It connects with the cavernous body of the septum (Kiesselbach's area). C

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