Category: F
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Flow-volume loop
A graphic record of lung function in which the amount of gas inhaled and exhaled is recorded on the horizontal axis and the rate at which the gas moves on the vertical axis. It is used to detect abnormalities in pulmonary function such as those accompanying restrictive or obstructive lung disease.
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Flocculonodular lobe
The lobe of the cerebellum consisting of the flocculi, nodulus, and their connecting peduncles.
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Foamy liver
The presence of gas bubbles in the liver as a result of infection with anaerobic bacteria. This produces a honeycomb appearance in the liver tissue.
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Functional limitation
In rehabilitation science, any restriction in the performance of activities resulting from disease, injury, or environmental restrictions.
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Fas ligand
A protein on the surface of activated T cells that binds to Fas receptors on the surface of the same or other T cells and triggers a series of events causing apoptosis. This process is involved in the activation-induced cell death necessary to ensure that autoreactive T cells do not attack “self-”antigens.
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Fundiform ligament of penis
The ligament extending from the lower portion of the linea alba and Scarpa’s fascia to the dorsum of the penis.
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Functional layer
The portion of the endometrium adjacent to the uterine cavity; after it is shed in menstruation it is regenerated by the basilar layer.
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Foreign bodies in larynx
An inhaled or aspirated solid object, such as a piece of meat, hard candy, safety pin, or coin, in the larynx. Any aspirated object poses an imminent risk of airway obstruction.
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Fund of knowledge
Information that a person has stored in memory about people, places, and things. The fund of stored memories increases with education and decreases in dementia.
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False knot
An external bulging of the umbilical cord, resulting from the coiling of the umbilical blood vessels.