Category: R

  • Repeat prescription

    A prescription which is exactly the same as the previous one, and is often given without examination of the person by the doctor and may sometimes be requested by telephone.  

  • Repeat

    To say or do something again. In education, to take again a course that a student has failed to complete satisfactorily, whether through inability to develop the required knowledge and skills, inattention to course work, or other reasons.  

  • Reorganisation

    A change in the way something is organised or done. The process of changing the way something is organised or done. An occasion when a business or organisation is given a completely new structure.  

  • Renovascular system

    The blood vessels associated with the kidney.  

  • Renovascular

    Relating to the blood vessels of the kidneys.  

  • Renography

    An examination of a kidney after injection of a radioactive substance, using a gamma camera. The radiological study of the kidneys by a gamma camera following the intravenous injection of a radioactive substance, which is concentrated and excreted by the kidneys. The radioactive isotope (usually technetium-131) emits gamma rays, which are recorded by the camera…

  • Renogram

    An X-ray image of a kidney. A visual record of kidney function that shows how quickly a radioactive substance introduced into the bloodstream is removed by the kidneys. A record of the rate of removal of an intravenously injected dose of radioactive iodine (l31I) from the blood by the kidneys.  

  • Renal tubule

    A tiny tube which is part of a nephron. The fine tubular part of a nephron, through which water and certain dissolved substances are reabsorbed back into the blood. The part of a nephron through which renal filtrate from the renal corpuscle flows and is changed to urine by reabsorption and secretion. The parts, in…

  • Renal transplant

    A kidney trahsplant.  

  • Renal sinus

    A cavity in which the renal pelvis and other tubes leading into the kidney fit. The area in the kidney composed of the renal pelvis, renal calices, vessels, nerves, and fatty tissue.