renal adj.

relating to or affecting the kidneys.

renin n.

an enzyme released into the blood by the kidney in response to stress.

renography n.

the radiological study of the fidneys by a gamma camera.

repression n.

the process of excluding an unacceptablewish or an idea from conscious metal life.

resection n.

surgical removal of a portion of any part of the body.

resorption n.

lossof substance through physiologial or pathological means.

respirator n.

a device used to maintain the breating movements of paralysed patients.