Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «F»:
Fungiform: Mushroom-shaped. From fungi-, fungus + forma, shape.
The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum (back) of the tongue. These papillae were thought to resemble a fungus: a little mushroom. ...
Fungiform papilla: The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum (back) of the tongue.
These papillae were thought to resemble a fungus: a little mushroom. Fungiform means mushroom-shaped. From fungi-, fungus + forma, shape....
Fungistat: A chemical that keeps fungi from growing. See also: Fungicide....
Fungistatic: Capable of inhibiting the growth of fungi....
Fungus: A single-celled or multicellular organism. Fungi can be true pathogens (such as histoplasmosis and coccidioidomycosis) that cause infections in healthy persons or they can be opportunistic pathogens (such as aspergillosis, candidiasis, and cryptococcosis) that cause infections in immunocomp...
Fungus, foot: Athlete's foot causes foot itching,
burning, pain, and scaling. It is caused by a fungus and is treated with antifungal
medications, many of which are available over-the-counter. Keeping the feet dry by using
cotton socks and breathable shoes helps prevent athletes foot....
Funnel chest (pectus excavatum)
Funnel chest (pectus excavatum): "Caved-in" chest.
Usually an unimportant isolated finding evident at birth. (Funnel chest can occasionally
be part of a connective tissue disorder such as Marfan syndrome). ...
Funny bone: As in "it tickled my funny bone." When the
elbow is bumped, the ulnar nerve running past the elbow is stimulated and produces a
strange (funny) electric sensation....
FUO (Fever of Unknown Origin)
Fever of Unknown Origin: Fever of unknown origin (FUO) is a fever greater than 38.3°C (101 °F) that has occurred intermittently for over three weeks, for which no specific cause readily identified.
In 85 to 95% of cases, the specific cause for a fever of
unknown origin can eventually be ide...
Furuncle: Nothing more nor less than a "boil" with a
fancy name. A boil is a collection of pus. Antibiotics are often not very helpful in
treating abscesses. The main treatments include hot packs and draining
("lancing") the abscess, but only when it is soft and ready to drain. I...
Fusiform: Formed like a spindle,
wider in the middle and tapering toward the ends. An
aneurysm may be fusiform. The word "fusiform" comes from
the Latin "fusus" meaning "spindle."...
Fusiform aneurysm: A vascular
outpouching shaped like a spindle. A fusiform widening of
an artery or vein. An aneurysm is a localized widening
(dilatation) of an artery, vein, or the heart. At the area
of an aneurysm, there is typically a bulge and the wall is
weakened and may rupture. The wo...
Fusion inhibitor: A class of antiretroviral drugs that work on the outside of the host CD4 cell to prevent HIV from fusing with and infecting it. Fusion inhibitors act by binding to an envelope protein and blocking the structural changes necessary for the virus to fuse with the host CD4 cell. If HI...
Fusion, spinal: See: Spinal fusion....
Fusospirillary gingivitis: This is trench mouth, a
progressive painful infection with ulceration, swelling
and sloughing off of dead tissue from the mouth and throat
due to the spread of infection from the gums.
Certain germs (including fusiform bacteria and spirochetes) have
been thought to b...