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Fluorescent treponemal antibody absorbed test
Fluorescent treponemal antibody absorbed test A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific antibodies directed against the organism (Treponema pallidum) responsible for syphilis.
RELATED TERMS--------------------------------------
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Serum
The fluid portion of the blood. It is essentially similar in composition to plasma but lacks fibrinogen and other substances that are used in the coagulation (blood clotting) process.
Screening
Testing for disease in people without symptoms.
Syphilis
A sexually transmitted disease caused by the spirochete Treponema pallidum.
Antibodies
Proteins produced by white blood cells. They confer immunity.
Organism
A living thing, such as an animal, a plant, a bacterium, or a fungus.
SIMILAR TERMS--------------------------------------
Fluocet
Fluocet 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): fluocinolone acetonide.
Fluocinolone acetonide
Fluocinolone acetonide 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): fluocinolone acetonide.
Fluocinonide
Fluocinonide 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): fluocinonide.
Fluocinonide emulsified base
Fluocinonide emulsified base 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): fluocinonide.
Fluonid
Fluonid 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): fluocinolone acetonide.
Fluor-op
Fluor-op 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): fluorometholone.
Fluorescein
A compound used as a diagnostic aid to show injuries of the cornea or retina of the eye.
Fluorescein angiograms
Photographs of the back of the eye, taken after a fluorescent dye is placed in the blood stream.ÿ This is used to test the circulation in the retina of the eye.
Fluorescein angiography
Fluorescein Angiography is a diagnostic test used to assess pathology that affects the retina, choroid and/or iris of the eye. Fluorescein angiography is used to assess the blood flow of the eye and abnormal states are referred to as either hyperfluorescence or hypofluorescence relative to the normal amount of fluorescence. Fluorescein angiography involves an intravenous injection of sodium Fluorescein ( a dye) into the antecubical vein ( a vein in the arm) and then photographs are taken of the eye as the dye enters and leaves the blood system of the eye. The doctor will evaluate prefilling ( i.e., what the retina and choroid look like before the dye enters the eye), transit ( i.e., first passage of dye through the retina and choroid), recirculation (i.e., fluoroscien has become equally distributed throughout the eye and then starts to circulate through again) and later phase ( i.e., as the fluoroscien is eliminated from the body by the kidneys). The test lasts about 30 minutes. Nausea and vomiting are the most common side effects, occurring in about 5% or less of patients. Severe side effects ( e.g., anaphylaxis, death) have been reported but are very rare.
Fluorescein Angiography
A method of taking a picture of the flow of blood in the vessels of the eye by tracing the progress of an injected dye.
Fluorescence in situ hybridization (FISH)
A technique that can be used for prenatal diagnosis, in which specifically designed fluorescent molecules are used to "light up" particular genes or sections of chromosomes to make them visible under a microscope. The fluorescence makes even small abnormalities in the chromosomes visible.
Fluorescent antibody
An antibody coupled with a fluorescent dye, used with a fluorescence microscope to detect antigen on cells, tissues, or microorganisms.
Fluorescent in situ hybridization
An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering chromosome rearrangements, and locating genes on chromosomes.
Fluorescent microscope
A microscope equipped to examine material that fluoresces under ultraviolet light. Fluorescence microscopy is based on the principle that fluorescent materials emit visible light when they are irradiated with ultraviolet rays or with violet-blue visible rays.
Fluoridation
1. In general, treatment with fluoride. 2. Specifically, the addition of fluoride to a water supply to help prevent dental caries.
Fluoride
A compound of fluorine with another element or radical. Fluoride compounds are present in drinking water and some foods. Fluoride ions replace hydroxyl ions in hydroxyapatite in teeth, forming fluorapatite, which leads to fewer cavities. Fluoride compounds are therefore added to some toothpastes and dentists may also give a yearly fluoride treatment. It is generally recommended that fluorides be added to water supplies in which the natural level is less than 0.7 ppm in water to increase the concentration to 0.7-1.2 ppm. The addition of fluoride to water systems is one of the major achievements in public health in the 20th century. Fluoride, in combination with calcium and vitamin D, also increases bone mass and lowers the risk of backbone fractures associated with osteoporosis. The only accepted adverse effect of fluoridation is dental fluorosis.
Fluorine f-18
Fluorine f-18 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): sodium fluoride, f-18.
Fluorobody
A hybrid molecule that combines the affinity and specificity of an antibody with the visibility of a green fluorescent protein (GFP). The GSP provides the antibody with a built-in detection system.
Fluoroplex
Fluoroplex 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): fluorouracil.
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 light. The light is then captured by a TV camera and displayed on a video monitor.
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 the formation of normal pyrimidine nucleotides via both enzyme inhibition and by interfering with DNA synthesis after incorporation into a growing DNA molecule. 5-FU is also able to block the production of RNA and thereby induce cell death. 5-FU affects the processing of messenger RNA (mRNA), ribosomal RNA (rRNA), transfer RNA (tRNA), and small nuclear RNA (snRNA). 5-FU may also inhibit cell growth is through its ability to prevent the synthesis of thymine nucleotides from uracil nucleotides.
Fluothane
Fluothane 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): halothane.
Fluotrex
Fluotrex 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): fluocinolone acetonide.
Fluoxetine
A drug used to treat depression. It belongs to the family of drugs called antidepressants.
Fluoxetine hcl
Fluoxetine 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): fluoxetine hydrochloride.
Fluoxymesterone
Fluoxymesterone 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): fluoxymesterone.
PREVIOUS AND NEXT TERMS--------------------------------------
Flu, stomach
So-called "stomach flu" actually has nothing to do with the influenza (flu) virus. This term is sometimes used to describe gastrointestinal illnesses caused by other microorganisms.
Fluctuating rib
One of the last two ribs. A rib is said to be "fluctuating" if it does not attach to the sternum (the breast bone) or to another rib. There are usually 12 pairs of ribs in all. Each pair of ribs is attached to the building blocks of the spine (the vertebrae) in the back. The 12 pairs of ribs consist of: True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true (or sternal) ribs and False ribs: The lower five ribs do not directly connect to the sternum and are known as false ribs.The upper three false ribs connect to the costal cartilages of the ribs just above them. The last two false ribs, however, usually have no ventral attachment (no anchor at all in front) and are called fluctuating, floating, or vertebral ribs.
Fluid, cerebrospinal (CSF)
A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain and around the surface of the brain and spinal cord. The CSF is produced by the choroid plexus, a series of infolded blood vessels projecting into the cerebral ventricles, and it is absorbed into the venous system. If production exceedes absorption, the CSF pressure rises and the result is hydrocephalus. This can also occur if the CSF pathways are obstructed and CSF accumulates.
Fluorescent in situ hybridization
An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering chromosome rearrangements, and locating genes on chromosomes.
Fluorescent microscope
A microscope equipped to examine material that fluoresces under ultraviolet light. Fluorescence microscopy is based on the principle that fluorescent materials emit visible light when they are irradiated with ultraviolet rays or with violet-blue visible rays.
Fluorescent treponemal antibody absorbed test
Fluoridation
1. In general, treatment with fluoride. 2. Specifically, the addition of fluoride to a water supply to help prevent dental caries.
Fluoride
A compound of fluorine with another element or radical. Fluoride compounds are present in drinking water and some foods. Fluoride ions replace hydroxyl ions in hydroxyapatite in teeth, forming fluorapatite, which leads to fewer cavities. Fluoride compounds are therefore added to some toothpastes and dentists may also give a yearly fluoride treatment. It is generally recommended that fluorides be added to water supplies in which the natural level is less than 0.7 ppm in water to increase the concentration to 0.7-1.2 ppm. The addition of fluoride to water systems is one of the major achievements in public health in the 20th century. Fluoride, in combination with calcium and vitamin D, also increases bone mass and lowers the risk of backbone fractures associated with osteoporosis. The only accepted adverse effect of fluoridation is dental fluorosis.
Fluorobody
A hybrid molecule that combines the affinity and specificity of an antibody with the visibility of a green fluorescent protein (GFP). The GSP provides the antibody with a built-in detection system.
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 light. The light is then captured by a TV camera and displayed on a video monitor.
Fluorosis
An abnormal condition caused by excessive intake of fluorine, characterized chiefly by mottling of the teeth.
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