Retrospective diagnosis. The proposal that the mysterious illness that killed Alexander the Great more than 2,300 years ago was West Nile fever is an exercise in retrodiagnosis.
- Retrograde amnesia
Amnesia in which the lack of memory relates to events that occurred before a traumatic event. Retrograde amnesia is in contrast to antegrade amnesia in which the lack of memory relates to events that occurred after a traumatic event.
A hormone that is produced during pregnancy that facilitates the birth process by causing a softening and lengthening of the cervix and the pubic symphysis (the place where the pubic bones come together). Relaxin also inhibits contractions of the uterus and may play a role in determining the timing of delivery.
Something that relaxes, relieves, or reduces tension. For example, a muscle relaxant is often administered during abdominal surgery to relax the diaphragm and keep it from moving during the surgery.
- Relapsing fever
An acute infection with recurrent episodes of fever caused by spirochetes of the genus Borrelia which are borne by ticks or lice. The relapsing nature of the fever is associated with the presence of antigenic variants. As an immune response develops to the predominant antigenic strain, variant strains multiply and cause a recrudescent infection. The […]
- Retropubic prostatectomy
Surgical removal of the prostate through an incision in the abdomen.