Author: Glossary
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Fimbria tubae
The fringelike portion at the abdominal end of a fallopian tube.
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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.
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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.
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Membrane differential filtration
The removal of high-molecular weight plasma proteins and lipoproteins from circulating blood to increase the flow to microcirculatory blood vessels.
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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.
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Filtering
In neuropsychology, devoting selective focus to certain stimuli while ignoring or minimizing others.
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Filterable
Capable of passing through the pores of a filter.
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Wood’s filter
An ultraviolet light source used to diagnose some fungal and bacterial skin diseases.
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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.
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Vena cava filter
A wire apparatus inserted through a catheter into the inferior vena cava to prevent pulmonary emboli.