what does the lingual nerve go under
Lingual nerve. The lingual nerve is located near the sides of the tongue (specifically below the lateral pterygoid muscle), and is responsible for its senses of taste and touch. The lingual nerve provides senses to the tongue's front two-thirds, as well as to the underside that surrounds it.It branches off the mandibular nerve and twists around the submandibular duct to reach the tongue.he lingual nerve provides senses to the tongue's front two-thirds, as well as to the underside that surrounds it. It branches off the mandibular nerve and twists around the submandibular duct to reach the tongue.