Lingual veins Lingual veins The lingual veins begin on the dorsum, sides, and under surface of the tongue, and, passing backward along the course of the lingual artery, end in the internal jugular vein. The vena comitans of the hypoglossal nerve (ranine vein), a branch of considerable size, begins below the tip of the tongue, and may join the lingual; generally, however, it passes backward on the hyoglossus, and joins the common facial. The lingual veins are important clinically as they are capable of rapid absorption of drugs; for this reason, nitroglycerin is given under the tongue to patients suspected of having
Head and Neck Cancer Alliance day are 20 times more likely to develop head and neck cancer in comparison to non-drinkers. Some symptoms of head and neck cancer are soreness of the throat, difficulty in jaw movement or swallowing, and the presence of a nodule or lump. The stage of the disease is a determining factor in deciding the prognosis of head and neck cancer. There is a correlation between disease stage, survival and quality of life. The median five-year survival drops significantly from about 80% with the presence of regional or distant metastasis. Nearly 8000 people die every year due to head and neck