Adenovirus: One of a group of viruses that can cause infections of the lung, stomach, intestine, and eyes. Symptoms resemble those of the common cold. There are no effective medications for treating adenovirus infection. Adenovirus infection typically does not cause death or permanent problems. More than40 types of adenoviruses have been recognized, all of which are extremely tiny. Adenoviruses are being used in research as a vehicle for gene therapy and as a vector for vaccines.
- ADH (antidiuretic hormone)
ADH (antidiuretic hormone): A peptide molecule that is released by the pituitary gland at the base of the brain after being made nearby (in the hypothalamus). ADH has an antidiuretic action that prevents the production of dilute urine (and so is antidiuretic). A syndrome of inappropriate secretion of ADH may occur in association with oat-cell […]
- ADH secretion, inappropriate
ADH secretion, inappropriate: A condition that results in the inability to produce dilute urine and imbalance of fluids and electrolytes in the body, particularly lowering blood sodium. Symptoms include nausea, vomiting, muscle cramps, confusion, and convulsions. This syndrome may occur with oat-cell lung cancer, pancreatic cancer, prostate cancer, and Hodgkin’s disease, among other disorders. Also […]
Attention deficit hyperactivity disorder.
Adhesion: The union of two opposing tissue surfaces. This term is often used to refer to the sides of a wound, as well as to scar tissue strands that can form at the site of a previous operation, such as within the abdomen after a laparotomy.
- Adhesive capsulitis
Adhesive capsulitis: A condition in which a person has constant severe limitation of the range of motion of the shoulder due to scarring around the shoulder joint. Adhesive capsulitis is an unwanted consequence of rotator cuff disease that involves damage to the rotator cuff. The affected joint is characteristically painful and tender to palpation. Physical […]