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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

fibulin
<protein> Calcium binding, cysteine rich glycoprotein found in the extracellular matrix and in plasma. Alternative splicing generates three forms of fibulin with 566, 601 and 683 amino acids respectively. All three forms have three repeated motifs near the N terminus, with the bulk of the remaining chain formed of nine EGF like repeats. Fibul …

fibulocalcaneal
Relating to the fibula and the calcaneus. ... (05 Mar 2000) ...

ficin
<enzyme> A sulfhydryl proteinase with cysteine at the active site from ficus latex. Preferential cleavage is at tyrosine and phenylalanine residues. Acts on a wide variety of protein substrates. ... Registry number: EC 3.4.22.3 ... (12 Dec 1998) ...

Fick method
In 1870 A. Fisk proposed that cardiac output can be calculated as the quotient of total body oxygen consumption divided by the difference in oxygen content of arterial blood and mixed venous blood. In the direct Fick method all variables are measured. The indirect Fick method employs a variety of means to avoid measuring mixed venous oxygen content …

Fick principle
Synonym for Fick method ... In 1870 A. Fisk proposed that cardiac output can be calculated as the quotient of total body oxygen consumption divided by the difference in oxygen content of arterial blood and mixed venous blood. In the direct Fick method all variables are measured. The indirect Fick method employs a variety of means to avoid measuring …

Fick, Adolf
<person> German physician, 1829-1901. ... See: Fick principle, Fick method. ... (05 Mar 2000) ...

fick's law of diffusion
The principle that a substance put into solution will tend to diffuse towards constant concentration throughout the solution. ... (09 Oct 1997) ...

Fick's laws of diffusion
The direction of movement of solutes by diffusion is always from a higher to a lower concentration and the diffusive flux JA of solute A across a plane at x is proportional to the concentration gradient of A at x; i.e., JA = -D(CA/x), the increase of concentration of solute A with time, CA/t, is directly proportional to the change in the concentrat …

ficoll
This biochemically inert sucrose polymer is used as athickening additive in solutions and gradients. ... (09 Oct 1997) ...

ficoll gradient
A density gradient of ficoll (synthetic sucrose polymer) in solution, where concentration of the ficoll varies continuously through the solution. It is often used to separate different types of cells from each other during the process of sedimentation. ... (09 Oct 1997) ...

Ficoll-Hypaque technique
A density-gradient centrifugation technique for separating lymphocytes from other formed elements in the blood; the sample is layered onto a Ficoll-sodium metrizoate gradient of specific density; following centrifugation, lymphocytes are collected from the plasma-Ficoll interface. ... (05 Mar 2000) ...

ficosis
Synonym: sycosis. ... Origin: L. Ficus, fig ... (05 Mar 2000) ...

fiction
1. The act of feigning, inventing, or imagining; as, by a mere fiction of the mind. ... 2. That which is feigned, invented, or imagined; especially, a feigned or invented story, whether oral or written. Hence: A story told in order to deceive; a fabrication; opposed to fact, or reality. 'The fiction of those golden apples kept by a dragon.' (Sir W. …

fictitious feeding
Synonym for sham feeding ... A procedure used in the study of the psychic phase of gastric secretion: in experiments on dogs, the food, after being eaten, does not enter the stomach but issues from an oesophageal fistula made in the neck; the chewing and swallowing of food causes an abundant secretion of gastric juice. ... Synonym: fictitious feeding …

ficusin
<chemical> Proposed anthelmintic obtained from psoralea corylifolia and other plants. It has been used as a photosensitizing agent during puva. ... Pharmacological action: anthelmintic, photosensitizing agents. ... Chemical name: 7H-Furo(3,2-g)(1)benzopyran-7-one ... (12 Dec 1998) ...

fid
1. A square bar of wood or iron, used to support the topmast, being passed through a hole or mortise at its heel, and resting on the trestle trees. ... 2. A wooden or metal bar or pin, used to support or steady anything. ... 3. A pin of hard wood, tapering to a point, used to open the strands of a rope in splicing. ... There are hand fids and standing …

fiddle
1. A stringed instrument of music played with a bow; a violin; a kit. ... 2. <botany> A kind of dock (Rumex pulcher) with fiddle-shaped leaves; called also fiddle dock. ... 3. A rack or frame of bars connected by strings, to keep table furniture in place on the cabin table in bad weather. ... <zoology> Fiddle beetle, the angel fish. Fiddle …

fiddler
1. One who plays on a fiddle or violin. ... 2. <zoology> A burrowing crab of the genus Gelasimus, of many species. The male has one claw very much enlarged, and often holds it in a position similar to that in which a musician holds a fiddle, hence the name; called also calling crab, soldier crab, and fighting crab. ... 3. <zoology> The co …

fide
On the authority of, or with reference to publication, to a cited published statement. ... (09 Jan 1998) ...

fiducial
1. Having faith or trust; confident; undoubting; firm. 'Fiducial reliance on the promises of God.' ... 2. Having the nature of a trust; fiduciary; as, fiducial power. ... <astronomy> Fiducial edge, the straight edge of the alidade or ruler along which a straight line is to be drawn. ... <mathematics> Fiducial line or point, a line or point …

Fiedler, Carl
<person> German physician, 1835-1921. ... See: Fiedler's myocarditis. ... (05 Mar 2000) ...

Fiedler's myocarditis
acute isolated myocarditis ...

field
<radiobiology> In physics, any macroscopic quantity which exists (and typically varies) throughout a region of space. Standard examples include Electric and Magnetic fields, velocity flow fields, gravitational fields, etc. ... (09 Oct 1997) ...

field block
Regional anaesthesia produced by infiltration of local anaesthetic solution into tissues surrounding an operative field. ... (05 Mar 2000) ...

field block anaesthesia
Conduction anaesthesia in which small nerves are not anaesthetised individually, as in nerve block anaesthesia, but instead are blocked en masse by local anaesthetic solution injected to form a barrier proximal to the operative site. ... (05 Mar 2000) ...

field dependence-independence
The ability to respond to segments of the perceptual experience rather than to the whole. ... (12 Dec 1998) ...

field depth
<microscopy> The thickness of the object space within which objects focused by a lens will all appear in good simultaneous focus. Penetration is a synonym. ... (05 Aug 1998) ...

field emission tube
An X-ray tube that uses a cold cathode, relying on the tube voltage to pull electrons from it to the anode. ... (05 Mar 2000) ...

field fever
A leptospirosis caused by leptospira. ... Synonym: canefield fever. ... (05 Mar 2000) ...

field gradient
Synonym for magnetic field gradient ... In magnetic resonance imaging, a magnetic field that varies with location, superimposed on the uniform field of the magnet, to alter the resonant frequency of nuclei and allow recovery of their spatial position. ... Synonym: field gradient. ... (05 Mar 2000) ...

field identification
<zoology> The determination of the taxonomic identity of an individual specimen, under field conditions, often with the aid of keys etc. ... See: Identification. ... (09 Jan 1998) ...

field ion microscope
<instrument> Type of microscopy in which the specimen is illuminated with ions, often gallium ions, that are focussed electrostatically. The ions remove components of the specimen, lower atomic masses first. These are imaged and provide information on elemental distribution with a resolution of perhaps 30 nm. ... (18 Nov 1997) ...

field lens
<physics> The lower lens in an ocular, the lens nearest the object field. ... (05 Aug 1998) ...

field lines
<radiobiology> Lines in space along which a field is either changing or not changing (depends on the kind of field) but which help to create diagrams which characterise the behaviour and effects of the field. For instance, electric field lines run in the direction that the electric field will push charged particles, the strength of the field …

field of consciousness
The content of awareness at any given moment. ... (05 Mar 2000) ...

field of fixation
In ophthalmology, the angular distance around which the line of fixation can be turned. ... (05 Mar 2000) ...

field of view
<microscopy> The extent of the visible image field that can be seen. ... (05 Aug 1998) ...

field planes
<microscopy> The set of planes in a microscope adjusted for Kohler illumination that are conjugate with the focused specimen. They include the plane of the specimen, the field diaphragm, the intermediate image plane, and the image on the retina, photographic emulsion, or the faceplate of the video pickup device. ... (05 Aug 1998) ...

field shaping coils
<radiobiology> Type of poloidal field coils (in a tokamak) which create magnetic fields which shape and control the plasma. Used to constrain horizontal and vertical displacements of the plasma, as well as (in some configurations) produce non-circular plasma cross-sections (poloidal cross-section) and/or create one or more divertor separatric …

field survey
The planned collection of data among noninstitutionalised persons in the general population. ... (05 Mar 2000) ...

field-emission microscope
<instrument, microscopy> Either one of two kinds of point-projection microscopes, both invented by E. W. Muller: (1) The older device (1936) is a specialised cathode-ray tube, employing field-emission of electrons from a negatively charged tip of a very sharp needle in a vacuum, by point-projection of the image onto a positively charged, fluo …

field-vole
A species of field mouse (Microtus montebelloi), normal host of Leptospira hebdomadis, the cause of a type of leptospirosis resembling infectious mononucleosis. ... (05 Mar 2000) ...

Field's rapid stain
<technique> A stain to permit rapid positive diagnosis of malaria in endemic areas by using thick films; it employs methylene blue and azure B in a phosphate buffer, with the preparation counterstained by eosin in a phosphate buffer. ... (05 Mar 2000) ...

Fielding, George
<person> British anatomist, 1801-1871. ... See: Fielding's membrane. ... (05 Mar 2000) ...

Fielding's membrane
Synonym for tapetum ... 1. <cell biology> Layer of reflective tissue just behind the pigmented retinal epithelium of many vertebrate eyes. May consist either of a layer of guanine crystals or a layer of connective tissue. In bovine eyes reflects a blue green iridescent colour. ... 2. <plant biology> Layer of cells in the sporangium of a v …

fields of Forel
Three circumscript, myelin-rich regions of the subthalamus known as H fields (from Haubenfelder); 1) field H1, corresponding to the thalamic fasciculus, a horizontal fibre stratum at the junction of the subthalamus and the overlying thalamus, is composed of pallidothalamic and cerebellothalamic fibres (brachium conjunctivum) and is separated by the …

fiend
An implacable or malicious foe; one who is diabolically wicked or cruel; an infernal being; applied specifically to the devil or a demon. 'Into this wild abyss the wary fiend Stood on the brink of Hell and looked a while.' (Milton) 'O woman! woman! when to ill thy mind Is bent, all hell contains no fouler fiend.' (Pope) ... Origin: OE. Fend, find, f …

fiery
1. Consisting of, containing, or resembling, fire; as, the fiery gulf of Etna; a fiery appearance. 'And fiery billows roll below.' (I. Watts) ... 2. Vehement; ardent; very active; impetuous. 'Hath thy fiery heart so parched thine entrails?' (Shak) 'The fiery spirit of his forefathers.' (W. Irwing) ... 3. Passionate; easily provoked; irritable. 'You k …

Fiessinger-Leroy-Reiter syndrome
Synonym for Reiter's syndrome ... <syndrome> The combination of arthritis, conjunctivitis and urethritis (occasionally diarrhoea). Occurs mainly in young men. ... (27 Sep 1997) ...

Fiessinger, Noel Armand
<person> French physician, 1881-1946. ... See: Fiessinger-Leroy-Reiter syndrome. ... (05 Mar 2000) ...

fievre
French term for fever. ... (05 Mar 2000) ...

fièvre boutonneuse
African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted fever, but less severe, with fever, a small ulcer (tache noire) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash. The French word boutonneuse means pimply. …

fievre boutonneuse
Synonym for boutonneuse fever ... A febrile disease of the mediterranean area, the crimea, africa, and india, caused by infection with rickettsia conorii. ... (12 Dec 1998) ...

fifteenth
1. Next in order after the fourteenth; the ordinal of fifteen. ... 2. Consisting of one of fifteen equal parts or divisions of a thing. ... Origin: OE. Fiftenthe; cf. Fiftethe, AS. Fiftea. See Fifteen. ... 1. One of fifteen equal parts or divisions; the quotient of a unit divided by fifteen. ... 2. A species of tax upon personal property formerly laid …

fifth
1. Next in order after the fourth; the ordinal of five. ... 2. Consisting of one of five equal divisions of a thing. Fifth monarchy men, a fanatical sect in England, of the time of the commonwealth, who maintained that there would be a fifth universal monarchy, during which Christ would reign on earth a thousand years. Fifth wheel, a horizontal whee …

fifth cranial nerve
Synonym for trigeminal nerve ... <anatomy, nerve> The trigeminal nerve is responsible for sensory enervation of the face and motor enervation to muscles of mastication (chewing). ... There are three divisions of the fifth cranial nerve, ophthalmic, maxillary and mandibular. Lesions of the sensory root to the trigeminal nerve can result in pain …

fifth disease
<disease> An acute viral infection (human parvovirus) in children that manifests with a fever and a unique facial rash (slapped cheek appearance). After 1-2 days the rash will often spread to the extremities and trunk. The illness is nonserious and self-limiting. Environmental factors such as sunlight, hot baths and emotional factors can caus …

fifth finger
Synonym for little finger ... <anatomy> The little or fifth finger. ... Synonym: digitus minimus, digitus quintus, digitus auricularis, fifth finger. ... (05 Mar 2000) ...

fifth ventricle
Synonym for cavity of septum pellucidum ... A slitlike, fluid-filled space of variable width between the left and right transparent septum, which occurs in less than 10% of human brains and may communicate with the third ventricle. ... Synonym: cavum septi pellucidi, Duncan's ventricle, fifth ventricle, pseudocele, pseudoventricle, sylvian ventricle, …

fig
Figure; dress; array. 'Were they all in full fig, the females with feathers on their heads, the males with chapeaux bras?' (Prof. Wilson) ... 1. <botany> A small fruit tree (Ficus Carica) with large leaves, known from the remotest antiquity. It was probably native from Syria westward to the Canary Islands. ... 2. The fruit of a fig tree, which …

fig wart
An obsolete term for condyloma acuminatum. ... (05 Mar 2000) ...

fight or flight reaction
The theory advanced by Walter Cannon, that in the autonomic nervous system and the effectors connected with it, the organism in situations of danger requiring either fight or flight is provided with a check-and-drive mechanism that puts it in readiness to meet emergencies with undivided energy output. Also known as the emergency theory. ... (05 Mar …

fighting
1. Qualified for war; fit for battle. 'An host of fighting men.' (2 Chron. Xxvi. 11) ... 2. Occupied in war; being the scene of a battle; as, a fighting field. A fighting chance, one dependent upon the issue of a struggle. ... <zoology> Fighting crab, a remarkably pugnacious East Indian fish (Betta pugnax), reared by the Siamese for spectacular …

figlu test
A test of vitamin b12 deficiency, folic acid deficiency, liver disease, or genetic deficiency of glutamate formiminotransferase, based on urinary excretion of formiminoglutamic acid (figlu), an intermediate metabolite in histidine catabolism in the conversion of histidine to glutamic acid, with the formimino group being transferred to tetrahydrofol …

Figueira, Fernandes
<person> Brazilian paediatrician, +1928. ... See: Figueira's syndrome. ... (05 Mar 2000) ...

Figueira's syndrome
<syndrome> Weakness of the neck muscles with slight spasticity of the muscles of the lower extremities and increased tendon reflexes; supposed to be an attenuated sporadic form of acute poliomyelitis. ... (05 Mar 2000) ...

figural aftereffect
A perceptual phenomenon used by gestalt psychologists to demonstrate that events in one part of the perceptual field may affect perception in another part. ... (12 Dec 1998) ...

figurate
1. Of a definite form or figure. 'Plants are all figurate and determinate, which inanimate bodies are not.' (Bacon) ... 2. Figurative; metaphorical. ... 3. Florid; figurative; involving passing discords by the freer melodic movement of one or more parts or voices in the harmony; as, figurate counterpoint or descant. Figurate counterpoint or descant, …

figuratus
Figured; a term descriptive of certain skin lesions. ... Origin: L. Figuro, pp. -atus, to form, fashion ... (05 Mar 2000) ...

figure
1. The form of anything; shape; outline; appearance. 'Flowers have all exquisite figures.' (Bacon) ... 2. The representation of any form, as by drawing, painting, modeling, carving, embroidering, etc.; especially, a representation of the human body; as, a figure in bronze; a figure cut in marble. 'A coin that bears the figure of an angel.' (Shak) …

figure and ground
That aspect of perception wherein the perceived is separated into at least two parts, each with different attributes but influencing one another. Figure is the most distinct; ground the least formed; e.g., a bird or tree (figure) seen against the sky (ground). ... (05 Mar 2000) ...

figure eight
<molecular biology> An intermediate structure shaped like a figure eight which forms during the recombination process between two plasmids, or circular pieces, of DNA. The two pieces of DNA attached to each other by covalent bond at this point. ... (10 Mar 1998) ...

figure-of-8 abnormality
A radiographic appearance associated with total anomalous drainage of the pulmonary venous circulation into enlarged right and anomalous left venae cavae, that produces a globular density above the heart; the silhouette suggests the figure 8. ... Synonym: snowman abnormality. ... (05 Mar 2000) ...

figure-of-8 bandage
A bandage applied alternately to two parts, usually two segments of a limb above and below the joint, in such a way that the turns describe the figure 8; used primarily for the treatment of fractures of the clavicle. ... (05 Mar 2000) ...

figure-of-8 suture
A suture utilizing criss-cross stitches, used to approximate fascial edges or the musculofascial and outer layers of an abdominal wound. ... (05 Mar 2000) ...

fiji
A republic consisting of an island group in melanesia, in the southwest pacific ocean. Its capital is suva. It was discovered by abel tasman in 1643 and was visited by captain cook in 1774. It was used by escaped convicts from Australia as early as 1804. It was annexed by great britain in 1874 but achieved independence in 1970. The name fiji is of …

fila
Plural of filum. ... Origin: L. ... (05 Mar 2000) ...

fila olfactoria
Synonym for olfactory nerves ... Collective term denoting the numerous olfactory filaments: slender fascicles each composed of the thin, unmyelinated axons of 8 to 12 of the bipolar olfactory receptor cells in the olfactory portion of the nasal mucosa; the olfactory filaments pass through the cribriform plate of the ethmoid bone and enter the olfact …

fila radicularia
Synonym for radicular fila ... The small, individual fibre fascicles into which the roots of all of the spinal nerves and several cranial nerves (hypoglossus, vagus, oculomotorius) divide in fanlike fashion before entering or leaving the spinal cord or brainstem; the spinal dorsal root may divide into 8 to 12 such rootlets. ... Synonym: fila radicula …

filaceous
Synonym: filamentous. ... Origin: L. Filum, a thread ... (05 Mar 2000) ...

filaggrin
<molecular biology> Basic protein components of keratohyalin granules of the suprabasal cells of the skin. ... Family of intermediate filament associated cationic proteins found in mammalian epidermis. Bundle cytokeratin filaments. Various sizes in different species (16 kD bovine, 26 kD mouse, 35 kD man, 45 kD rat). ... (10 Mar 1998) ...

filamen
A high-molecular-weight, actin-binding protein that is part of the intracellular filamentous structure of fibroblastic cells; its distribution in cells is derived from its interaction with polymerised actin. ... (05 Mar 2000) ...

filament
See: thick filaments, thin filaments, intermediate filaments and microfilaments. ... (18 Nov 1997) ...

filament-nonfilament count
A differential count of the number of neutrophils showing nuclear division and those showing no such division. ... (05 Mar 2000) ...

filamentary keratitis
A condition characterised by the formation of epithelial filaments of varying size and length on the corneal surface. ... Synonym: keratitis filamentosa. ... (05 Mar 2000) ...

filamentary keratopathy
Formation of fine elongations of corneal epithelium in inflammation, oedema, and degenerative states. ... (05 Mar 2000) ...

filamentous
<cell biology> In the form of very long rods, many times longer than wide. ... (10 Mar 1998) ...

filamentous bacterial viruses
Deoxyribonucleoproteins that 'infect' and replicate in Gram-negative bacteria having sex pili and that, unlike bacteriophage, are released from infected bacteria without damage to the cell; they seem to be of two kinds, one of which has a specificity for F pili and the other for I pili. ... Synonym: fibrous bacterial viruses. ... (05 Mar 2000) ...

filamentous bacteriophage
<molecular biology> A type of single-stranded DNA bacteriophage (virus which infects bacteria) that has a capsid which is long and thin, like a filament. ... Examples include the viruses F1 and M13. ... (10 Mar 1998) ...

filamentous colony
In bacteriology, a colony composed of long, interwoven, irregularly disposed threads. ... (05 Mar 2000) ...

filamentum
A fibril, fine fibre, or threadlike structure. ... Synonym: filament. ... Origin: L. ... (05 Mar 2000) ...

filamin
<protein> A protein that binds to F actin, cross linking it to form an isotropic network, the binding does not require Ca. It was originally isolated from smooth muscle and is a homodimer 2 x 250 kD. Similar to actin binding protein (ABP) from leucocytes. ... (18 Nov 1997) ...

filar eyepiece
Synonym for filar micrometre ... <microscopy> An eyepiece equipped with a fiducial line in its focal plane that is movable by means of a calibrated micrometre screw in order to make accurate measurements of length. ... Synonym: filar eyepiece. ... (05 Aug 1998) ...

filar mass
Synonym for reticular substance ... A filamentous plasmatic material, beaded with granules, demonstrable by means of vital staining in the immature red blood cells. ... Synonym: alpha substance, filar mass, filar substance, substantia reticularis, substantia reticulofilamentosa. ... Synonym: reticular formation. ... (05 Mar 2000) ...

filar micrometer
An ocular micrometer with a line moved by a ruled drum such that a movement of the line of 5 um or less may be made in relation to fixed parallel lines. ... (05 Mar 2000) ...

filar micrometre
<microscopy> An eyepiece equipped with a fiducial line in its focal plane that is movable by means of a calibrated micrometre screw in order to make accurate measurements of length. ... Synonym: filar eyepiece. ... (05 Aug 1998) ...

filar micrometre ocular
<microscopy> A micrometre ocular with crossed lines which can be simultaneously focused in and moved across the field by means of a micrometre screw. ... The amount of displacement can be read in 0.01 steps on the micrometre drum head. This makes a very delicate measuring device, since calibration of the micrometre scale by means of a stage mi …

filar substance
Synonym for reticular substance ... A filamentous plasmatic material, beaded with granules, demonstrable by means of vital staining in the immature red blood cells. ... Synonym: alpha substance, filar mass, filar substance, substantia reticularis, substantia reticulofilamentosa. ... Synonym: reticular formation. ... (05 Mar 2000) ...

filarial
Pertaining to a filaria (or filariae), including the microfilaria stage. ... (05 Mar 2000) ...

filarial arthritis
Arthritis occurring in filariasis, probably due to extravasation of lipid-rich lymph resembling chyle into the joint space. ... (05 Mar 2000) ...