Thygeson's disease is an eye condition named after Phillips Thygeson, an American physician born in 1903. It is now more commonly known as punctate epithelial keratitis or superficial punctate keratitis. It is a type of inflammation of the cornea.
The sternoclavicular (SC) joint is the pivot on which the shoulder girdle moves on the trunk. Dislocation of this joint most often results from a fall onto the shoulder.
In infant botulism, the baby does not ingest toxin; instead, spores from the botulism bacteria produce toxin in the baby's immature digestive tract. The toxins then travel to the baby's nerve cells leading to the characteristics symptoms of weakness and the "floppy infant syndrome."
Hypoglycemia is defined as a low blood sugar (glucose) level. Hyperglycemia is defined as too high a blood sugar (glucose) level.
Homocysteine is an amino acid found in blood. There is now considerable evidence that homocysteine may prove to be a useful marker for risk of heart attacks, since elevated levels have been detected in people with coronary artery disease.
HIV testing is performed to detect antibodies (proteins made by the human body) against the human immunodeficiency virus (HIV) which indicates infection with the virus.