Category: F

  • Fludeoxyglucose

    A fluorinated, radiographically visible glucose molecule used in positron emission tomography  PET scanning) to demonstrate the glucose uptake of tissues. During the evaluation of mass lesions suspected of being cancerous, high fludeoxyglucose uptake strongly suggests malignancy.  

  • Flow state

    An altered state of consciousness in which the mind functions at its peak, time may seem distorted, and a sense of happiness prevails. In such a state the individual feels truly alive and fully attentive to what is being done. This state is distinguished from strained attention, in which the person forces himself to perform…

  • Flow cell

    A type of optical cell employed in photometers and cell counters through which the sample and any standards are passed for detection.  

  • Flow

    Movement of a gas or liquid. An experience of merging one’s consciousness with an event in the present moment.  

  • Flor-essence

    A tea containing anti-inflammatory, antioxidant, and immuno-stimulatory chemicals. It is not approved as a treatment for cancer by the U.S. Food and Drug Administration,  

  • Flood

    A pathological uterine hemorrhage.  

  • Flocculence

    Resemblance to shreds or tufts of cotton.  

  • Flip-flop

    A condition in which the reduction in fraction of inspired oxygen to reduce hypoxemia in infants causes a persistent and greater-than-expected decrease in oxygen tension (Pa02).  

  • Flinders island spotted fever

    A febrile spotted fever transmitted to humans by the bite of Ixodes ticks infected with Ricksettsia honei. It is found primarily in Victoria and Tasmania, Australia, and is similar to Rocky Mountain Spotted Fever in the U.S.  

  • Flicker phenomenon

    A sensation of continuous light caused by an intermittent light stimulus produced at a certain rate.