Category: Ra-Re

1) Roentgen equivalent physical, a unit of absorbed radiation approximately equivalent to one roentgen. 2) An abbreviation for repetition when referring to an exercise maneuver. 3) An abbreviation for representative of sales for a pharmaceutical or health products company.

A stone in the kidney (or lower down in the urinary tract). Also called a kidney stone. Renal stones are a common cause of blood in the urine and pain in the abdomen, flank, or groin. Kidney stones occur in 1 in 20 people at some time in their life. The development of the stones is related to decreased urine volume…

Kidney stones. A common cause of blood in the urine and pain in the abdomen, flank, or groin. Occurs in 1 in 20 people at some time in their life. Development of the stones is related to decreased urine volume or increased excretion of stone-forming components such as calcium, oxalate, urate, cystine, xanthine, and phosphate. The stones form in the urine…

Having to do with the kidney. For example, renal cancer is cancer of the kidneys.

Disappearance of the signs and symptoms of cancer or other disease. A remission can be temporary or permanent.

Something that consistently helps treat or cure a disease.

REM sleep is the portion of sleep when there are rapid eye movements (REMs). Dreams occur during REM sleep. We typically have 3 to 5 periods of REM sleep per night. They occur at intervals of 1-2 hours and are quite variable in length. An episode of REM sleep may last 5 minutes or over an hour.…

The return of signs and symptoms of a disease after a remission.

In transplantation biology, when the body’s immune system attacks transplanted cells, tissues, or organs. For example, a transplanted kidney may be rejected.

Restoration of nerve function after it has been lost. Reinnervation may occur spontaneously or be achieved by nerve grafting. The EMG (electromyogram) may show evidence of denervation with subsequent reinnervation in motor neuron diseases such as ALS (amyotrophic lateral sclerosis) because the remaining healthy motor neurons can reinnervate the denervated muscles.