Author: Glossary

  • Fimbria tubae

    The fringelike portion at the abdominal end of a fallopian tube.  

  • Filtration slits

    The spaces between the pedicels on the glomerular basement membrane through which water, glucose, amino acids, and other chemicals pass as they become renal filtrate.  

  • Filtration of x-ray photons

    The absorption of some longer-wavelength, low-energy x-ray photons by an absorbing medium placed in the path of the beam. Materials used for x-ray absorption include aluminum, copper, molybdenum, and zinc.  

  • Membrane differential filtration

    The removal of high-molecular weight plasma proteins and lipoproteins from circulating blood to increase the flow to microcirculatory blood vessels.  

  • Glomerular filtrate

    The fluid that passes from the blood through the capillary walls of the glomeruli of the kidney. It is similar to plasma but with far less protein; urine is formed from it.  

  • Filtering

    In neuropsychology, devoting selective focus to certain stimuli while ignoring or minimizing others.  

  • Filterable

    Capable of passing through the pores of a filter.  

  • Wood’s filter

    An ultraviolet light source used to diagnose some fungal and bacterial skin diseases.  

  • Wedge filter

    A filter used in radiography and radiation therapy to vary the intensity of the x-ray beam. This compensates for differences in the thicknesses of the parts being exposed to radiation.  

  • Vena cava filter

    A wire apparatus inserted through a catheter into the inferior vena cava to prevent pulmonary emboli.