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Flaviviridae
Flaviviridae A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue, yellow fever, tick-borne encephalitis virus, and West Nile fever. The flaviviruses are positive-strand RNA viruses containing three structural proteins and a host-derived lipid bilayer.
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Family
1. A group of individuals related by blood or marriage or by a feeling of closeness. 2. A biological classification of related plants or animals that is a division below the order and above the genus. 3. A group of genes related in structure and in function that descended from an ancestral gene. 4. A group of gene products similarly related in structure and function and of shared genetic descent. 5. Parents and their children. The most fundamental social group in humans.
Fever
When body temperature rises above its normal level - defined as 98.6 degrees F, though it varies by individual and time of day. A fever is the sign of an immune system at work and usually indicates an infection.
Encephalitis
A viral infection of the brain.
Virus
Ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein.
Lipid
A fatty substance in the blood.
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Flavivirus
A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue, yellow fever, tick-borne encephalitis virus, and West Nile fever. The flaviviruses are positive-strand RNA viruses containing three structural proteins and a host-derived lipid bilayer.
Flavivirus encephalitis
Encephalitis (inflammation of the brain) due to a flavivirus, a virus transmitted by a mosquito or tick. Flavivirus encephalitis includes West Nile fever, Japanese encephalitis, St. Louis encephalitis, and Murray Valley encephalitis. These diseases typically develop after an incubation period of 5 to 15 days. The neurologic manifestations depend on which part of the nervous system is infected -- the meninges (to cause meningitis), the body of the brain (encephalitis), or the spinal cord (myelitis). The more important features include a reduced level of consciousness, which may be associated with seizures, a flaccid (floppy) paralysis resembling that of poliomyelitis, and parkinsonian movement disorders.
Flavoproteins
Flavoproteins are yellow proteins that serve as enzymes critical to the ability of cells in the body to respire, to breath. (The "flavo-" is borrowed from the Latin "flavus", yellow). Flavoproteins are, in other words, respiratory enzymes. As enzymes they catalyze (speed) what are technically termed oxidation-reduction reactions. The first yellow enzyme was discovered.
Flavored colestid
Flavored colestid is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): colestipol hydrochloride.
Flavoxate hcl
Flavoxate hcl is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): flavoxate hydrochloride.
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Flat condyloma
A manifestation of the secondary stage of syphilis that takes the form of broad flat wartlike growths in moist creased areas, as around the anus and external genitalia. Also called condyloma latum.
Flat feet
A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground. All babies have flat feet because their arches are not yet built up (and their feet tend to be plump). This condition may persist into adulthood, or an arch may form as the child grows. Flat feet can also be acquired, as in jobs that require a great deal of walking and carrying heavy objects. People with flat feet sometimes experience clumsiness and fatigue from prolonged walking or running. Wearing shoes with built-in arch supports can help. People with weakness in the ankle as well as flat feet may find that their feet turn in or roll toward the middle, damaging shoes and causing discomfort. Shoes with both built-in arch supports and rigid counters (side supports) are helpful. Exercises may also be useful in reducing discomfort.
Flatfeet
A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground. All babies have flat feet because their arches are not yet built up (and their feet tend to be plump). This condition may persist into adulthood, or an arch may form as the child grows. Flat feet can also be acquired, as in jobs that require a great deal of walking and carrying heavy objects. People with flat feet sometimes experience clumsiness and fatigue from prolonged walking or running. Wearing shoes with built-in arch supports can help. People with weakness in the ankle as well as flat feet may find that their feet turn in or roll toward the middle, damaging shoes and causing discomfort. Shoes with both built-in arch supports and rigid counters (side supports) are helpful. Exercises may also be useful in reducing discomfort.
Flatulent
Pertaining to flatulence, the generation of excess gas in the intestinal tract. From the Latin flastus, meaning blowing, as a breeze or snort.
Flatus
Gas in the intestinal tract or passed through the anus. The intestinal gases are hydrogen, nitrogen, carbon dioxide, and methane, all of which are odorless. The unpleasant smell of flatus is the result of trace gases such as indole, skatole, and, most commonly, hydrogen sulfide.
Flaviviridae
Flavivirus
A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue, yellow fever, tick-borne encephalitis virus, and West Nile fever. The flaviviruses are positive-strand RNA viruses containing three structural proteins and a host-derived lipid bilayer.
Flavivirus encephalitis
Encephalitis (inflammation of the brain) due to a flavivirus, a virus transmitted by a mosquito or tick. Flavivirus encephalitis includes West Nile fever, Japanese encephalitis, St. Louis encephalitis, and Murray Valley encephalitis. These diseases typically develop after an incubation period of 5 to 15 days. The neurologic manifestations depend on which part of the nervous system is infected -- the meninges (to cause meningitis), the body of the brain (encephalitis), or the spinal cord (myelitis). The more important features include a reduced level of consciousness, which may be associated with seizures, a flaccid (floppy) paralysis resembling that of poliomyelitis, and parkinsonian movement disorders.
Flavoproteins
Flavoproteins are yellow proteins that serve as enzymes critical to the ability of cells in the body to respire, to breath. (The "flavo-" is borrowed from the Latin "flavus", yellow). Flavoproteins are, in other words, respiratory enzymes. As enzymes they catalyze (speed) what are technically termed oxidation-reduction reactions. The first yellow enzyme was discovered.
Flax seed
The seed of the common flax plant (also known as linseed and, botanically, Linum usitatissimum). Flax seed and flax seed oil are a rich souce of ALA (alpha-linolenic acid), the only one of the omega-3 fatty acids that is essential in the sense that the body cannot make it so, if one is to get it, it must be in the diet.
Flesh-eating bacteria
A popular media term for a type of strep bacteria (group A streptococcus) which rapidly destroys tissue and left untreated causes death. Surgical excision of dead and infected tissue is usually necessary to help control the infection. The rapid spread and destruction of tissue caused by these bacteria is thought due to a combination of factors related to a protective coat and other substances produced by the bacteria.
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