The name Megan is an American baby name. In American the meaning of the name Megan is: Pearl. Persian Meaning: The name Megan is a Persian baby name. In Persian the meaning of the name Megan is: Child of light.
Minor infections or irritations are the most common cause of tongue soreness. Injury, such as biting the tongue, can cause painful sores. Heavy smoking can irritate the tongue and make it painful. A benign ulcer on the tongue or elsewhere in the mouth is common. This is called a canker sore and can appear for no known reason.
Scurvy ulcers may bleed or be covered by a thick grey membrane. Deficiency of niacin -- vitamin B3 -- causes redness of the tongue and pain throughout the mouth before progressing to ulceration, according to The Merck Manuals Online Medical Library..