Category: R

  • Roy’s model

    A model for nursing developed in the US in the 1970s. It describes a person’s health as being a state of successful positive adaptation to all those stimuli from the environment which could interfere with their basic need satisfaction. Illness results from an inability to adapt to such stimuli, so nurses should help patients to…

  • Royal college of nursing

    A professional association which represents nurses.  

  • Royal college of general practitioners

    A professional association which represents family doctors.  

  • Rovsing’s sign

    Pain in the right iliac fossa when the left iliac fossa is pressed, which is a sign of acute appendicitis [Described 1907. After Nils Thorkild Rovsing (1862-1927), Professor of Surgery at Copenhagen, Denmark.] Clinical finding indicating appendicitis whereby pressure in the lower left quadrant of the abdomen produces pain in the lower right quadrant.  

  • Roundworm

    Any of several common types of parasitic worms with round bodies, such as hookworms. Worm of the phylum Nematoda, including several that produce disease in humans. A type of worm that lives in the intestines of humans and other mammals. In the adult stage, a roundworm can be almost lo inches long and as thick…

  • Round window

    A round opening between the middle ear and the cochlea, and closed by a membrane. A circular, membrane- covered opening in the medial wall of the middle ear leading into the cochlea. A membrane-covered opening below the oval window. Vibrations in the inner ear cause the membrane to bulge outward, decreasing the pressure in the…

  • Round ligament

    A band of muscle which stretches from the uterus to the labia. Residual structures of the umbilical vein found in the liver; a fibromuscular attachment that attaches to the uterus.    

  • Round

    Shaped like a circle.  

  • Rough

    Not smooth.  

  • Roth spot

    A pale spot which sometimes occurs on the retina of a person who has leukaemia or some other diseases [After Moritz Roth (1839-1915), Swiss pathologist and physician]. Pale area surrounded by hemorrhage sometimes seen in the retina, with the aid of an ophthalmoscope, in those who have bacterial endocarditis, septicemia, or leukemia.