A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also known as an aphthous ulcer.
Canker sores are one of the most common problems that occur in the mouth. About 20% of the population (1 in 5 people) have canker sores at any given time. Canker sores typically last for 10-14 days and they heal without leaving a scar.
Picture of a canker sore
The word “canker” comes from the Latin “cancer” for crab. (In Latin “cancer” was once pronounced kanker from which came canker). Chronic ulcers might seem as hard as a crab shell.
- Sore, cold
A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and crusting over. The favorite locations are on the lips, chin or cheeks and in the nostrils. Less frequent sites are the gums or roof of the mouth (the palate). Cold sores, also commonly called fever […]
- Sotos syndrome Medical
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Disease in South Sudan, one of the poorest areas in the world and home to many maladies including malaria, river blindness, nodding syndrome, guinea worm disease, African sleeping sicknness, visceral leishmaniasis, and Buruli ulcer. Some of these diseases are rare or unheard of outside South Sudan. Malaria has reached alarming levels there. South Sudan has […]
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A test commonly used in molecular biology and genetics, the purpose of the test being to check for a match between DNA molecules. In the Southern blot technique, DNA fragments are separated by a method called agarose gel electrophoresis, transferred (blotted) onto membrane filters, and hybridized with complementary radiolabeled probes. The aim is to detect […]