What is rhinovirus Rhinovirus C, along with rhinoviruses A and B, is a leading cause of common colds. Rhinoviruses (rhin means "nose") can also cause

What is rheumatic fever Rheumatic fever is a autoimmune inflammatory disease that affects many of the body's connective tissues especially those of the heart, joints,

What is nephroptosis Nephroptosis (nephro = kidney; ptosis = falling) is also called floating kidney or wandering kidney, is an inferior displacement or dropping of

What is the renal pelvis Renal pelvis is a flat, funnel-shaped urine-carrying tube and it is simply the expanded superior part of the ureter. Branching extensions

What is reticulocyte count Reticulocytes are newly produced, relatively immature red blood cells (RBCs). Reticulocytes are "young" red blood cells that are released by the

What is repetitive strain injury Repetitive strain injury (RSI) is a general term used to describe the pain felt in muscles, nerves and tendons caused

What is a normal respiratory rate Respiratory rate is the the number of breaths per minute. Your respiratory rate is highly regulated to enable cells

What is respiratory failure Respiratory failure is a condition in which your blood doesn't have enough oxygen from your lungs or has too much carbon dioxide

What is red ear syndrome Red ear syndrome is a very rare entity characterized by paroxysmal unilateral or bilateral painful attacks to the external ear

What is rapid eye movement sleep Sleep is a reversible state of disconnection from the environment including reduced consciousness, skeletal muscle mobility, and metabolism ((Carley