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.
Lichen planus is a long-lasting disease, which can affect the mouth and sometimes other areas of the body. When it appears in your mouth it is called 'oral lichen planus'.ichen planus shows in many different ways. The most common signs are white patches on the lining of your mouth (usually your cheeks, tongue and gums). These don't usually hurt, but sometimes there can be redness, ulcers or, very rarely, blistering as well as the white patches.