In 1862 English explorer John Hanning Speke journeyed from Africaâs east coast to find what he considered to be the source, where the river exits Lake Victoria in present-day Uganda.
Nerve Pain. Common types of nerve pain you may experience in the mouth can come from your taste and sensory nerves (burning mouth syndrome), inferior alveolar nerve located in the lower jaw, skin of the chin and lower lip, or in your lingual nerve, which descends to the tongue and under the mucous membrane of the mouth.erve Pain. Common types of nerve pain you may experience in the mouth can come from your taste and sensory nerves (burning mouth syndrome), inferior alveolar nerve located in the lower jaw, skin of the chin and lower lip, or in your lingual nerve, which descends to the tongue and under the mucous membrane of the mouth.
You have to get into all the nooks and crannies of your mouth to make sure bacteria, food, and old cells donât linger and outstay their welcome and cause malodor. The tongue is THE MOST common cause of bad breath. Tongues are covered in tiny hair like structures called papillae that can trap bacteria and food.