Category: F
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Finegoldia magna
The preferred name for the species of anaerobic gram-positive cocci formerly known as Peptostreptococcus magna. It is a potential cause of soft tissue abscess, endocarditis, or joint or wound infection.
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Fimbriocele
A hernia including the fimbriated portion of the oviduct.
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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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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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Filovirus
A family of encased, negative-stranded RNA viruses that can cause fatal hemorrhagic fevers. They include Marburg and Ebola viruses.
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Filopodia
Bundles of actin filaments that project from the cell surface.
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Film speed
The sensitivity of a photographic medium (e.g., a radiograph) to light or radiation. The film speed is determined by: the size of its silver halide crystals; the thickness of the emulsion; and the presence of radiosensitive dyes. In radiography, the term “speed” denotes the comparative degree of darkening produced on a film, taking into consideration…