Author: Glossary

  • Familial cancer syndrome

    Any genetic predisposition to cancer that is found in several generations of a kindred. Some recognized cancer syndromes that recur in families include the multiple endocrine neoplasias, retinoblastoma, familial polyposis of the colon, and Fanconi’s anemia, among others.  

  • Falx cerebri

    A fold of the dura mater that lies in the longitudinal fissure and separates the two cerebral hemispheres.  

  • Falx cerebelli

    A fold of the dura mater that forms a vertical partition between the hemispheres of the cerebellum.  

  • Falsification

    The act of writing or stating what is not true.  

  • False-positive ratio

    The ratio of patients who are disease-free but test positive for an illness, as a result of error, to all patients who do not have the disease.  

  • False-positive

    A result in a test or procedure that falsely indicates that a condition is present when in fact it is not. It may result from faulty laboratory technique or from the presence of another disease or condition that mimics the one sought.  

  • False-negative ratio

    The ratio of subjects affected by an illness whose test results wrongly suggest they are disease-free to all those subjects who have the disease. The false-negative ratio of a test is useful in determining the test’s reliability (i.e., the higher the ratio, the less reliable the test).  

  • Falls efficacy scale

    An instrument used to identify the fear of falling in the elderly as a factor in their decreased function and independence. Subjects state their fear of falling increases when they are unable to perform ten common activities of daily living.  

  • Risk for falls

    Increased susceptibility to falling that may cause physical harm.  

  • Falloposcopy

    Imaging the interior of the fallopian tube (the endosalpinx) with a flexible fiberoptic endoscope. The procedure is used in the diagnosis and treatment of tubal infertility.