1.Cavia porcellus, also known as Cavia cobaya, a plump rodent native to South America brought to Europe by the Spanish conquistadors. Often kept as pets and once very widely used a laboratory animal for research. 2.By extension, someone (or something) used as a subject of experimentation. In this sense, the term “guinea pig” may have negative connotations.
The name guinea pig is of unknown origin. In the pet trade, the term cavy is often used.
- Guinea worm disease
A parasitic disease caused by infection with the guinea worm (Dracunculus medinensis), the largest parasite known to plague people. Guinea worm disease is also called Dracunculiasis and end-of-the-road disease because it is not seen in the big cities. Once it infects a person, the guinea worm migrates through their body. It eventually emerges from the […]
- Gulf War syndrome
A syndrome involving a constellation of illnesses experienced by 5,000 to 80,000 American veterans who were in the Gulf War. (The Veterans Administration considers those who served between August 2, 1990 and July 31, 1991 as “Gulf War Conflict” veterans.) Causes of Gulf War Syndrome are not yet well understood. Symptoms include fatigue, headache, muscle […]
The esophagus. The words esophagus and gullet differ in origin. Esophagus comes from the Greek whereas gullet is a diminutive of the Latin gula meaning throat. The idea was that the esophagus, being narrower than the throat, was the little throat.
- Gum disease
Inflammation of the soft tissue (gingiva) and abnormal loss of bone that surrounds the teeth and holds them in place. Gum disease is caused by toxins secreted by bacteria in “plaque” that accumulate over time along the gum line. This plaque is a mixture of food, saliva, and bacteria. Early symptoms of gum disease include […]
- Gustavson syndrome
A disorder first reported in 1999 by Gustavson and colleagues as a new X-linked mental retardation syndrome. In the family they studied there were 7 male children in 2 generations with the syndrome. The affected males were genealogically connected through females who were presumed to be carriers of the gene responsible for the syndrome. In […]