Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «F»:
Fluoroscopy: An x-ray procedure that makes it
possible to see internal organs in motion.
Fluoroscopy uses x-ray to produce real-time video images. After
the x-rays pass through the patient, instead of using film, they are
captured by a device called an image intensifier and converted into
Fluorosis: An abnormal condition caused by excessive intake of fluorine, characterized chiefly by mottling of the teeth....
Fluorouracil: A much-used anticancer drug that belongs to the family of drugs called antimetabolites. Full name: 5-fluorouracil. Abbreviation: 5-FU.
5-FU is a pyrimidine antagonist. 5-FU is similar in structure to the pyrimidine base thymine and functions to inhibit DNA synthesis both by blocking...
Flush: (1) A redness of the skin, typically over the cheeks
or neck. A flush is usually temporary and brought on by excitement,
exercise, fever, or embarrassment. Flushing is an involuntary
(uncontrollable) response of the nervous system leading to widening
of the capillaries of the involved s...
Flutter: Flutter is a rapid vibration or pulsation. The difference between flutter and fibrillation is that flutter is well organized while fibrillation is not.
For example, atrial flutter consists of well-organized but over-rapid contractions of the atrium of the heart (usually at a rate of 250-350...
Flutter, atrial: Well-organized but overly rapid contractions of the atrium of the heart (usually at a rate of 250-350 contractions per minute).
Flutter refers to a rapid vibration or pulsation. The difference between flutter and fibrillation is that flutter is well organized while fibrillation is n...
Flying with diabetes
Flying with diabetes: A concern for patients with diabetes is flying with medications and supplies. Letters from doctors are not recommended since security has concerns that these may be easily forged.
The currently recommended way to fly with medications and equipment, such as insulin, syringes, l...
Flying, fear of
Flying, fear of: An irrational fear of flying is called aerophobia. Aerophobia also refers to irrational fear of fresh air or drafts of air. From the Greek "aero-", air or gas + "phobos", fear.
A virtual reality program that simulates the experience of take-offs, landings, normal flying and turbule...
FMDV: Foot-and-mouth disease virus. See: Foot-and-mouth disease....
FMF (familial Mediterranean fever)
FMF (familial Mediterranean fever): An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other symptoms include arthritis, chest pain from inflammation of the lung cavity, and skin rashes. Between attacks, the patient seems healthy. Amyloidosis (the abn...
FMO3: Abbreviation for the enzyme, flavin-containing
monooxygenase-3. See Fish-odor syndrome....
FMR1: The gene responsible for the production of a protein called
FMRP. Lack of FMRP results in the fragile X syndrome. (FMRP is an acronym composed of the
first letters of Familial Mental Retardation Protein). ...
fMRI: Functional magnetic resonance imaging....
FMRP: As stated in the entry for FMR1, FMRP is an acronym
composed of the first letters of Familial Mental Retardation Protein. ...
FOBT: Fecal occult blood test....