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mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK Words: 116197
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fasciclins<biochemistry, entomology> Cell adhesion molecules of the immunoglobulin superfamily found in the central nervous system of insects. ... Involved with fasciculation of axons and probably in pathfinding during morphogenesis of the nervous system. The sequence of fasciclin II shows that it shares structural motifs with a variety of vertebrate CA …
fascicularRelating to a fasciculus; arranged in the form of a bundle or collection of rods. ... Synonym: fasciculate, fasciculated. ... (05 Mar 2000) ...
fascicular blockA condition based on the concept that the left branch of the bundle of His provides two of three major fascicles of a system of conduction, of which the right bundle branch constitutes the third, for the transmission of the cardiac impulse from the atrium above to the ventricles below the A-V node; block may occur in any or all fascicles, all three …
fascicular cambium<plant biology> Form of cambium present in the vascular bundles of higher plants. ... (18 Nov 1997) ...
fascicular degenerationMuscular degeneration due to loss of motor neurons in the spinal cord or brainstem. ... (05 Mar 2000) ...
fascicular graftA nerve graft in which each bundle of fibres is approximated and sutured separately. ... (05 Mar 2000) ...
fascicular keratitisA phlyctenular keratitis followed by the formation of a band or fascicle of blood vessels extending from the margin toward the centre. ... (05 Mar 2000) ...
fascicular ophthalmoplegiaOphthalmoplegia due to a lesion within the brainstem. ... (05 Mar 2000) ...
fascicular sarcomaSynonym for spindle cell sarcoma ... <tumour> A malignant neoplasm, believed to be of mesenchymal origin, composed of elongated, spindle-shaped cells. ... Synonym: fascicular sarcoma. ... (05 Mar 2000) ...
fascicular ulcerA localised vascularization of the cornea to the site of a corneal ulcer. ... (05 Mar 2000) ...
fasciculata cellA cell of the zona fasciculata of the adrenal cortex that contains numerous lipid droplets due to the presence of corticosteroids. ... (05 Mar 2000) ...
fasciculateSynonym for fascicular ... Relating to a fasciculus; arranged in the form of a bundle or collection of rods. ... Synonym: fasciculate, fasciculated. ... (05 Mar 2000) ...
fasciculation<neurology, physiology> A small local contraction of muscles, visible through the skin, representing a spontaneous discharge of a number of fibres innervated by a single motor nerve filament. ... (18 Nov 1997) ...
fasciculiPlural of fasciculus. ... (05 Mar 2000) ...
fasciculi longitudinales pontisSynonym for longitudinal pontine fasciculi ... The massive bundles of corticofugal fibres passing longitudinally through the ventral part of pons; they are composed of corticopontine, corticobulbar, and corticospinal fibres. ... Synonym: fasciculi longitudinales pontis, longitudinal pontine bundles. ... (05 Mar 2000) ...
fasciculi propriiFlechsig's fasciculi or ground bundles (f. Anterior proprius and fasciculus lateralis proprius or lateral ground bundle); intersegmental fasciculi; ascending and descending association fibre systems of the spinal cord which lie deep in the anterior, lateral, and posterior funiculi adjacent to the gray matter. ... Synonym: ground bundles, intersegmen …
fasciculi rubroreticularesSynonym for rubroreticular fasciculi ... Bundles of fibres that connect the red nucleus to the pontine and midbrain reticular nuclei. ... Synonym: fasciculi rubroreticulares. ... (05 Mar 2000) ...
fasciculi transversiThe transversely directed fibres in the distal portions of the palmar and plantar aponeuroses. ... Synonym: transverse fasciculi. ... (05 Mar 2000) ...
fasciculus anterior propriusThe ground bundle of the anterior column of the spinal cord. ... See: fasciculi proprii. ... Synonym: anterior ground bundle. ... Origin: L. Dim. Of fascis, bundle ... (05 Mar 2000) ...
fasciculus atrioventricularisSynonym for atrioventricular bundle ... The bundle of modified cardiac muscle fibres that begins at the atrioventricular node as the trunk of the atrioventricular bundle and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right crus of the atr …
fasciculus circumolivaris pyramidisAn anomalous bundle of nerve fibres on the anterior surface of the medulla oblongata that emerges from the pyramid and curves forward and dorsally over the lower pole of the olive; it is variously interpreted as an aberrant bundle of pontocerebellar fibres or corticopontine fibres. ... (05 Mar 2000) ...
fasciculus corticospinalis anteriorSynonym for anterior pyramidal tract ... Uncrossed fibres forming a small bundle in the pyramidal tract. ... See: pyramidal tract. ... Synonym: tractus corticospinalis anterior, tractus pyramidalis anterior, anterior corticospinal tract, anterior pyramidal fasciculus, direct pyramidal tract, fasciculus corticospinalis anterior, fasciculus pyramidalis …
fasciculus cuneatusSynonym for cuneate fasciculus ... The larger lateral subdivision of the posterior funiculus. ... Synonym: fasciculus cuneatus, Burdach's column, Burdach's fasciculus, Burdach's tract, cuneate funiculus, wedge-shaped fasciculus. ... (05 Mar 2000) ...
fasciculus dorsolateralisSynonym for dorsolateral fasciculus ... A longitudinal bundle of thin, unmyelinated and poorly myelinated fibres capping the apex of the posterior horn of the spinal gray matter, composed of posterior root fibres and short association fibres that interconnect neighboring segments of the posterior horn. ... Synonym: fasciculus dorsolateralis, tractus …
fasciculus gracilisSynonym for gracile fasciculus ... The smaller medial subdivision of the posterior funiculus. ... Synonym: fasciculus gracilis. ... (05 Mar 2000) ...
fasciculus lateralis propriusSynonym for fasciculi proprii ... Flechsig's fasciculi or ground bundles (f. Anterior proprius and fasciculus lateralis proprius or lateral ground bundle); intersegmental fasciculi; ascending and descending association fibre systems of the spinal cord which lie deep in the anterior, lateral, and posterior funiculi adjacent to the gray matter. ... Syn …
fasciculus lenticularisSynonym for lenticular fasciculus ... The pallidal efferent fibres that cross the internal capsule and are insinuated between the subthalamic nucleus and zona incerta; they join in the formation of the thalamic fasciculus. ... See: lenticular loop. ... Synonym: fasciculus lenticularis. ... (05 Mar 2000) ...
fasciculus longitudinalis dorsalisSynonym for dorsal longitudinal fasciculus ... A bundle of thin, poorly myelinated nerve fibres reciprocally connecting the periventricular zone of the hypothalamus with ventral parts of the central gray substance of the midbrain. ... Synonym: fasciculus longitudinalis dorsalis, Schutz' bundle, tract of Schutz. ... (05 Mar 2000) ...
fasciculus longitudinalis inferiorSynonym for inferior longitudinal fasciculus ... A well marked bundle of long association fibres running the whole length of the occipital and temporal lobes of the cerebrum, in part parallel with the inferior horn of the lateral ventricle. ... Synonym: fasciculus longitudinalis inferior. ... (05 Mar 2000) ...
fasciculus longitudinalis medialisSynonym for medial longitudinal fasciculus ... A longitudinal bundle of fibres extending from the upper border of the mesencephalon into the cervical segments of the spinal cord, located close to the midline and ventral to the central gray matter; it is composed largely of fibres from the vestibular nuclei ascending to the motor neurons innervating …
fasciculus longitudinalis superiorSynonym for superior longitudinal fasciculus ... Long association fibre bundle lateral to the centrum ovale of the cerebral hemisphere, connecting the frontal, occipital, and temporal lobes; the fibres pass from the frontal lobe through the operculum to the posterior end of the lateral sulcus where many fibres radiate into the occipital lobe and oth …
fasciculus macularisSynonym for macular fasciculus ... The collection of fibres in the optic nerve directly connected with the macula lutea. ... Synonym: fasciculus macularis. ... (05 Mar 2000) ...
fasciculus mamillotegmentalisSynonym for mamillotegmental fasciculus ... A small bundle of fibres that passes dorsalward from the mamillary body for a short distance with the mamillothalamic tract, then turns down the brainstem to reach the dorsal and ventral tegmental nuclei of the mesencephalon. ... Synonym: fasciculus mamillotegmentalis. ... (05 Mar 2000) ...
fasciculus mamillothalamicusSynonym for mamillothalamic fasciculus ... A compact, thick bundle of nerve fibres that passes dorsalward from the mamillary body on either side to terminate in the anterior nucleus of the thalamus. ... Synonym: fasciculus mamillothalamicus, fasciculus thalamomamillaris, mamillothalamic tract, Vicq d'Azyr's bundle. ... (05 Mar 2000) ...
fasciculus marginalisSynonym for dorsolateral fasciculus ... A longitudinal bundle of thin, unmyelinated and poorly myelinated fibres capping the apex of the posterior horn of the spinal gray matter, composed of posterior root fibres and short association fibres that interconnect neighboring segments of the posterior horn. ... Synonym: fasciculus dorsolateralis, tractus …
fasciculus obliquus pontisSynonym for oblique pontine fasciculus ... A bundle of fibres in the ventral surface of the pons running from the anterior mesial portion outward and backward. ... Synonym: fasciculus obliquus pontis, oblique bundle of pons. ... (05 Mar 2000) ...
fasciculus occipitofrontalisSynonym for occipitofrontal fasciculus ... A bundle of association fibres extending from the frontal to the occipital lobes of the cerebrum. ... Synonym: fasciculus occipitofrontalis, fronto-occipital fasciculus. ... (05 Mar 2000) ...
fasciculus pedunculomamillarisSynonym for peduncle of mamillary body ... A fascicle of nerve fibres passing to the mamillary body along the ventral surface of the midbrain; it consists of fibres that originate from the dorsal and ventral tegmental nuclei. ... Synonym: pedunculus corporis mamillaris, fasciculus pedunculomamillaris, pedunculomamillary fasciculus. ... (05 Mar 2000)
fasciculus pyramidalis anterior
Synonym for anterior pyramidal tract ... Uncrossed fibres forming a small bundle in the pyramidal tract. ... See: pyramidal tract. ... Synonym: tractus corticospinalis anterior, tractus pyramidalis anterior, anterior corticospinal tract, anterior pyramidal fasciculus, direct pyramidal tract, fasciculus corticospinalis anterior, fasciculus pyramidalis …
fasciculus pyramidalis lateralis
Synonym for lateral pyramidal tract ... Those fibres of the pyramidal tract that cross to the opposite side in the pyramidal decussation and descend in the dorsal half of the lateral funiculus of the spinal cord; they are distributed throughout the length of the spinal cord to interneurons of the zona intermedia of the spinal gray matter. ... See: py …
fasciculus retroflexus
Synonym for retroflex fasciculus ... A compact bundle of fibres arising in the habenula and passing ventralward to the interpeduncular nucleus at the base of the midbrain; part of its fibres bypass this nucleus and terminate in the raphe nuclei of the caudal mesencephalic tegmentum. ... Synonym: fasciculus retroflexus, habenulointerpeduncular tract, …
fasciculus rotundus
Synonym for solitary tract ... A slender, compact fibre bundle extending longitudinally through the dorsolateral region of the medullary tegmentum, surrounded by the nucleus of the solitary tract, below the obex decussating over the central canal, and descending over some distance into the upper cervical segments of the spinal cord. It is composed o …
fasciculus semilunaris
Synonym for semilunar fasciculus ... A compact bundle composed of descending branches of posterior root fibres located near the border between the fasciculi gracilis and cuneatus of the cervical and thoracic spinal cord; it corresponds to the septomarginal fasciculus, Hoche's tract, or oval area of Flechsig in the lumbar, and to the triangle of Phil …
fasciculus septomarginalis
Synonym for septomarginal fasciculus ... Septomarginal fasciculus or tract. ... Synonym: fasciculus septomarginalis. ... (05 Mar 2000) ...
fasciculus solitarius
Synonym for solitary tract ... A slender, compact fibre bundle extending longitudinally through the dorsolateral region of the medullary tegmentum, surrounded by the nucleus of the solitary tract, below the obex decussating over the central canal, and descending over some distance into the upper cervical segments of the spinal cord. It is composed o …
fasciculus subcallosus
Synonym for subcallosal fasciculus ... A bundle of thin nerve fibres running longitudinally beneath the corpus callosum in the angle between the latter and the caudate nucleus; it forms an anterior continuation of the tapetum of the temporal lobe and appears to consist largely of fibres projecting from the cerebral cortex to the caudate nucleus. ... …
fasciculus thalamicus
Synonym for thalamic fasciculus ... Nerve fibres forming a composite bundle containing cerebellothalamic (crossed) and pallidothalamic (uncrossed) fibres that is insinuated between the thalamus and zona incerta. ... See: fields of Forel. ... Synonym: fasciculus thalamicus. ... (05 Mar 2000) ...
fasciculus thalamomamillaris
Synonym for mamillothalamic fasciculus ... A compact, thick bundle of nerve fibres that passes dorsalward from the mamillary body on either side to terminate in the anterior nucleus of the thalamus. ... Synonym: fasciculus mamillothalamicus, fasciculus thalamomamillaris, mamillothalamic tract, Vicq d'Azyr's bundle. ... (05 Mar 2000) ...
fasciculus uncinatus
Synonym for unciform fasciculus ... A band of long association fibres reciprocally connecting the frontal and temporal lobes of the cerebrum, running caudally through the white matter of the frontal lobe, sharply curving ventrally under the stem of the sylvian fissure, and then fanning out to the cortex of the anterior half of the superior and middl …
fasciectomy
<procedure> Excision of strips of fascia. ... Origin: fascia + G. Ektome, excision ... (05 Mar 2000) ...
fasciitis
Inflammation of the fascia (a lining tissue under the skin that covers a surface of underlying tissues). ... (12 Dec 1998) ...
fasciitis, eosinophilic
A disease which leads to inflammation and thickening of the skin and fascia. (The fascia is a lining tissue under the skin that covers a surface of underlying tissues. When the fascia is inflamed, the condition is referred to as fasciitis. ) In eosinophilic fasciitis, the involved fascia is inflamed with the eosinophil white blood cells. There is p …
fasciitis, necrotizing
A fulminating group a streptococcal infection beginning with severe or extensive cellulitis that spreads to involve the superficial and deep fascia, producing thrombosis of the subcutaneous vessels and gangrene of the underlying tissues. A cutaneous lesion usually serves as a portal of entry for the infection, but sometimes no such lesion is found. …
fasciitis, plantar
Inflammation of the plantar fascia (fasciitis), the bowstring-like tissue stretching underneath the sole which attaches at the heel. ... (12 Dec 1998) ...
fascin
<protein> Actin filament bundling protein (58 kD) from sea urchin eggs. ... (18 Nov 1997) ...
fascinate
1. To influence in an uncontrollable manner; to operate on by some powerful or irresistible charm; to bewitch; to enchant. 'It has been almost universally believed that . . . Serpents can stupefy and fascinate the prey which they are desirous to obtain.' (Griffith (Cuvier)) ... 2. To excite and allure irresistibly or powerfully; to charm; to captiva …
fascine roll
<botany> A thick roll consisting of branches, the inner part being dead material, the outer consisting of live branches. ... (09 Oct 1997) ...
fascio-
A fascia. ... Origin: L. Fascia, a band or fillet ... (05 Mar 2000) ...
fasciodesis
Surgical attachment of a fascia to another fascia or a tendon. ... Origin: fascio-+ G. Desis, a binding together ... (05 Mar 2000) ...
fasciola cinerea
Synonym for fasciolar gyrus ... A small paired band that passes around the splenium of the corpus callosum from the lateral longitudinal stria to the dentate gyrus. ... Synonym: gyrus fasciolaris, fascia cinerea, fasciola cinerea. ... (05 Mar 2000) ...
Fasciola gigantica
A species, resembling Fasciola hepatica but of larger size, found in herbivores, especially in Africa, where it also infects humans. ... (05 Mar 2000) ...
fasciola hepatica
A species of helminth commonly called the sheep liver fluke. It occurs in the biliary passages, liver, and gallbladder during various stages of development. Snails and aquatic vegetation are the intermediate hosts. Occasionally seen in man, it is most common in sheep and cattle. ... (12 Dec 1998) ...
fasciolar
Relating to the gyrus fasciolaris. ... (05 Mar 2000) ...
fasciolar gyrus
A small paired band that passes around the splenium of the corpus callosum from the lateral longitudinal stria to the dentate gyrus. ... Synonym: gyrus fasciolaris, fascia cinerea, fasciola cinerea. ... (05 Mar 2000) ...
fascioliasis
Helminth infection of the liver caused by species of fasciola. ... (12 Dec 1998) ...
fasciolid
A member of the family Fasciolidae. ... (05 Mar 2000) ...
fasciolidae
A family of flukes of the class trematoda occurring primarily in the liver of animals and man. There are six genera: fasciola, fasciolopsis, fascioloides, tenuifasciola, parafasciolopsis, and protofasciola. The adult form of fasciolopsis occurs in the intestines of pigs and man. ... (12 Dec 1998) ...
Fascioloides magna
A species of fasciolid flukes found in the lungs and liver of deer and sometimes cattle in North America; it is not known to infect humans. ... (05 Mar 2000) ...
fascioloidiasis
Infection of cattle and other herbivores with the giant liver fluke fascioloides magna. It is characterised by extensive destruction of the liver parenchyma. ... (12 Dec 1998) ...
fasciolopsiasis
Parasitization by any of the flukes of the genus Fasciolopsis. ... (05 Mar 2000) ...
Fasciolopsis
A genus of very large intestinal fasciolid flukes. ... Origin: Fasciola + G. Opsis, form, appearance ... (05 Mar 2000) ...
Fasciolopsis buski
The large intestinal fluke, a species found in the intestine of humans in eastern and southern Asia; transmitted via ingestion of water chestnuts or other vegetation contaminated with infective metacercariae. ... (05 Mar 2000) ...
Fasciolopsis rathouisi
A species reported from China in a few cases in the intestine or liver; possibly the same as Fasciolopsis buski. ... (05 Mar 2000) ...
fascioplasty
Plastic surgery of a fascia. ... Origin: fascia + G. Plastos, formed ... (05 Mar 2000) ...
fasciorrhaphy
Suture of a fascia or aponeurosis. ... Synonym: aponeurorrhaphy. ... Origin: fascio-+ G. Rhaphe, suture ... (05 Mar 2000) ...
fasciotomy
<procedure> Incision through a fascia; used in the treatment of certain vascular disorders and injuries when marked swelling is anticipated which could compromise blood flow; fasciotomy may be combined with embolectomy in the treatment of acute arterial embolism. ... Origin: fascio-+ G. Tome, incision ... (05 Mar 2000) ...
fascitis
Synonym for fasciitis ... Inflammation of the fascia (a lining tissue under the skin that covers a surface of underlying tissues). ... (12 Dec 1998) ...
fashion
1. To form; to give shape or figure to; to mold. 'Here the loud hammer fashions female toys.' (Gay) 'Ingenious art . . . Steps forth to fashion and refine the age.' (Cowper) ... 2. To fit; to adapt; to accommodate; with to. 'Laws ought to be fashioned to the manners and conditions of the people.' (Spenser) ... 3. To make according to the rule prescri …
fashionable
1. Conforming to the fashion or established mode; according with the prevailing form or style; as, a fashionable dress. ... 2. Established or favored by custom or use; current; prevailing at a particular time; as, the fashionable philosophy; fashionable opinions. ... 3. Observant of the fashion or customary mode; dressing or behaving according to the …
fast
1. Firmly fixed; closely adhering; made firm; not loose, unstable, or easily moved; immovable; as, to make fast the door. 'There is an order that keeps things fast.' (Burke) ... 2. Firm against attack; fortified by nature or art; impregnable; strong. 'Outlaws . . . Lurking in woods and fast places.' (Spenser) ... 3. Firm in adherence; steadfast; not …
fast component
<molecular biology> A segment of eukaryotic DNA consisting of highly-repeated nucleotide sequences which, when the entire duplex DNA molecule is denatured (the double-stranded helix comes apart and becomes single strands) and then allowed to renature (the complementary single strands come together to form a helix), will be the first segment t …
fast green FCF
An acid arylmethane dye widely used in histology and cytology and less subject to fading than light green FCF which it has replaced in many procedures; used as a quantitative cytochemical stain for histones at alkaline pH after acid extraction of DNA, and also in electrophoresis as a protein stain. ... (05 Mar 2000) ...
fast neutron
<physics> Neutron with energy greater than roughly 100,000 electron volts (100 keV). Distinguished from slow or thermal neutrons. ... (09 Oct 1997) ...
fast neutrons
Neutrons, the energy of which exceeds some arbitrary level, usually around one million electron volts. ... (12 Dec 1998) ...
fast pyrolysis
Thermal conversion of biomass by rapid heating to between 450> To 600>C in the absence of oxygen. ... (05 Dec 1998) ...
fast ray
<microscopy> The fast ray or fast component for a crystal or fibre corresponds to the lower refractive index. ... (05 Aug 1998) ...
fast smear
A cytologic smear containing material from the vaginal pool and pancervical scrapings, mixed and prepared on one microscopic slide, smeared, and fixed immediately; used principally for routine screening of ovaries, endometrium, cervix, vagina, and hormonal states. ... (05 Mar 2000) ...
fastidious
Having to do with microorganisms which have unusual and/or complex nutritional needs and must be grown on enriched media. ... (09 Oct 1997) ...
fastidious organism
A bacterial organism having complex nutritional requirements. ... (05 Mar 2000) ...
fastidium cibi
Rarely used term for fickle or finicky appetite, caused by distaste for food. ... Origin: L. ... (05 Mar 2000) ...
fastigatum
Synonym: fastigial nucleus. ... Origin: L. Fastigatus, pointed ... (05 Mar 2000) ...
fastigial nucleus
The most medial of the cerebellar nuclei, lying medial to the interpositus nucleus, near the midline, in the white matter underneath the vermis of the cerebellar cortex. It receives the axons of Purkinje cells from all parts of the vermis. Its major projection is to the vestibular nuclei and medullary reticular formation. ... Synonym: nucleus fastig …
fastigiobulbar fibres
Nerve fibres projecting from the fastigial nuclei of the cerebellum to the brain stem; crossed and uncrossed fibres that terminate mainly in the vestibular and reticular nuclei, and in the medial accessory olivary nucleus. ... (05 Mar 2000) ...
fastigiobulbar tract
A fibre bundle originating in the fastigial nucleus (nucleus tecti) of both sides, passing out of the cerebellum in the inferior cerebellar peduncle (corpus restiforme), and distributing its fibres to the vestibular nuclei and other cell groups in the medulla oblongata. Prominent crossed fibres loop over the dorsal surface of the superior cerebella …
fastigiospinal fibres
Crossed descending fibres originating in the fastigial nucleus of the cerebellum and ending in the spinal cord gray matter at cervical, and possibly lower, levels. ... (05 Mar 2000) ...
fastigium
1. Apex of the roof of the fourth ventricle of the brain, an angle formed by the anterior and posterior medullary vela extending into the substance of the vermis. ... 2. The acme or period of full development of a disease. ... Origin: L. Top, as of a gable; a pointed extremity ... (05 Mar 2000) ...
fasting
Abstaining from all food. ... (12 Dec 1998) ...
fasting blood glucose
<endocrinology, investigation> A method for finding out how much glucose (sugar) is in the blood. The test can show if a person has diabetes. ... A blood sample is taken in a lab or doctor's office. The test is usually done in the morning before the person has eaten. The normal, nondiabetic range for blood glucose is from 70 to 110 mg/dl, depe …
fasting glucose
<endocrinology, investigation> A measurement of the blood glucose in the morning prior to the ingestion of any food for the prior 12 hours. ... (27 Sep 1997) ...
fasting hypoglycaemia
Excessively low blood glucose in association with fasting; can be seen in patients with hyperinsulinism but also occurs without definable disease. ... (05 Mar 2000) ...