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

canonical sequence
Synonym for consensus sequence ... Of a series of related DNA, RNA or protein sequences, the sequence that reflects the most common choice of base or amino acid at each position. Areas of particularly good agreement often represent conserved functional domains. The generation of consensus sequences has been subjected to intensive mathematical analys …

canopy
<botany> Branches and foliage of a tree above ground or water. ... (16 Dec 1997) ...

canrenoate potassium
<chemical> A synthetic pregnadiene derivative with anti-aldosterone activity. ... Pharmacological action: aldosterone antagonists. ... Chemical name: Pregna-4,6-diene-21-carboxylic acid, 17-hydroxy-3-oxo-, monopotassium salt, (17alpha)- ... (12 Dec 1998) ...

canrenone
<chemical> A synthetic pregnadiene compound with anti-aldosterone activity. ... Pharmacological action: aldosterone antagonists. ... Chemical name: Pregna-4,6-diene-21-carboxylic acid, 17-hydroxy-3-oxo-, gamma-lactone, (17alpha)- ... (12 Dec 1998) ...

Cantelli's sign
Synonym for doll's eye sign ... <clinical sign> Reflex movement of the eyes in the opposite direction to that which the head is moved, e.g., the eyes being lowered as the head is raised, and the reverse (Cantelli's sign); an indication of functional integrity of the brainstem tegmental pathways and cranial nerves involved in eye movement. ... S …

cantering rhythm
Synonym for gallop ... A triple cadence to the heart sounds; due to an abnormal third or fourth heart sound being heard in addition to the first and second sounds, and usually indicative of serious disease. ... Synonym: bruit de galop, cantering rhythm, gallop rhythm, Traube's bruit. ... (05 Mar 2000) ...

canthal
Relating to a canthus. ... (05 Mar 2000) ...

canthal hypertelorism
Synonym for telecanthus ... Increased distance between the medial canthi of the eyelids. ... Synonym: canthal hypertelorism. ... Origin: G. Tele, distant, + kanthos, canthus ... (05 Mar 2000) ...

cantharidal
Relating to or containing cantharides. ... (05 Mar 2000) ...

cantharidal collodion
A powdered chloroform extract of cantharides in flexible collodion; a vesicant. ... Synonym: blistering collodion, collodion vesicans. ... (05 Mar 2000) ...

cantharidate
A salt of cantharidic acid. ... (05 Mar 2000) ...

cantharides
Plural of cantharis. ... (05 Mar 2000) ...

cantharidic acid
C10H14O5;an acid, derived from cantharis, that forms salts (cantharidates) with alkalis. ... (05 Mar 2000) ...

cantharidin
<chemical> Toxic compound from the spanish fly or blistering beetle (lytta (cantharis) vesicatoria) and other insects. It was formerly an irritant, vesicant, and rubefacient paste of whole insects called cantharides. It is now used to produce skin inflammation. It causes gastroenteritis, nephritis, and circulatory failure if absorbed. ... Phar …

cantharis
A dried beetle, Lytta (Cantharis) vesicatoria, used as a counterirritant and vesicant. ... Synonym: Russian fly, Spanish fly. ... Origin: L., fr. G. Kantharis, a beetle ... (05 Mar 2000) ...

cantharis camphor
Synonym for cantharidin ... <chemical> Toxic compound from the spanish fly or blistering beetle (lytta (cantharis) vesicatoria) and other insects. It was formerly an irritant, vesicant, and rubefacient paste of whole insects called cantharides. It is now used to produce skin inflammation. It causes gastroenteritis, nephritis, and circulatory f …

canthaxanthin
<chemical> A trans-carotenoid pigment widely distributed in nature. The compound is used as an oral suntanning agent and as a food and drug colouring agent. It is believed that it inhibits development of tumour cells and neoplastic transformation through its antioxidant properties. Oral ingestion of the compound causes canthaxanthin retinopat …

canthectomy
<procedure> Excision of a palpebral canthus. ... Origin: G. Kanthos, canthus, + ektome, excision ... (05 Mar 2000) ...

canthi
Plural of canthus. ... (05 Mar 2000) ...

canthitis
Inflammation of a canthus. ... (05 Mar 2000) ...

cantholysis
Synonym: canthoplasty. ... Origin: G. Kanthos, canthus, + lysis, loosening ... (05 Mar 2000) ...

canthomeatal plane
Plane passing through the two lateral angles of the eye and the centre of the external acoustic meatus; this plane lies approximately midway between the Frankfort and the supraorbitomeatal plane's. ... (05 Mar 2000) ...

canthoplasty
1. An operation for lengthening the palpebral fissure by incision through the lateral canthus. ... Synonym: cantholysis. ... 2. An operation for restoration of the canthus. ... Origin: G. Kanthos, canthus, + plasso, to form ... (05 Mar 2000) ...

canthorrhaphy
Suture of the eyelids at either canthus. ... Origin: G. Kanthos, canthus, + rhaphe, suture ... (05 Mar 2000) ...

canthotomy
<procedure> Slitting of the canthus. ... Origin: G. Kanthos, canthus, + tome, incision ... (05 Mar 2000) ...

canthus
The angle of the eye. ... Origin: G. Kanthos, corner of the eye ... (05 Mar 2000) ...

cantilever beam
In dentistry, a beam that is supported by only one fixed support at only one of its ends. ... (05 Mar 2000) ...

cantilever bridge
A fixed partial bridge denture in which the pontic is retained only on one side by an abutment tooth. ... Synonym: extension bridge. ... (05 Mar 2000) ...

cantlie line
<radiology> Line connecting gall bladder bed to IVC, divides liver into right and left lobes see also: liver anatomy ... (12 Dec 1998) ...

Cantor
Meyer O., U.S. Physician, *1907. ... See: Cantor tube. ... (05 Mar 2000) ...

Cantor tube
A long, single-lumen intestinal tube with a sealed rubber bag tip; mercury is injected into the rubber bag with a needle and syringe. ... (05 Mar 2000) ...

cantrell syndrome
<radiology> Herniation of gut into pericardial sac, common anterior communication in diaphragm and pericardium, associated with congenital defects of sternum, heart, mesentery, anterior abdominal wall, must be excluded in presence of omphalocele, ** diaphragmatic hernia ... (12 Dec 1998) ...

CaOC
<abbreviation> Cathodal opening contraction. ... (05 Mar 2000) ...

CaOCl
<abbreviation> Cathodal opening clonus. ... (05 Mar 2000) ...

caoutchouc pelvis
In osteomalacia, a pelvis in which the bones are still soft. ... Synonym: rubber pelvis. ... (05 Mar 2000) ...

cap
<abbreviation> Catabolite (gene) activator protein. ... 1. Any anatomical structure that resembles a cap or cover. ... 2. A protective covering for an incomplete tooth. ... 3. Colloquialism for restoration of the coronal part of a natural tooth by means of an artificial crown. ... 4. The nucleotide structure found at the 5' terminus of many eukar …

cap binding protein
<molecular biology, protein> Protein (24 kD) with affinity for cap structure at 5' end of mRNA that probably assists, together with other initiation factors, in binding the mRNA to the 40S ribosomal subunit. Translation of mRNA in vitro is faster if it has a cap binding protein. ... (18 Nov 1997) ...

cap of the ampullary crest
Synonym for cupula cristae ampullaris ... A gelatinous mass that overlies the hair cells of the ampullary crests of the semicircular ducts; movement of endolymphatic fluid causes the cupula to move across the hair cells of the ampullary crest. ... Synonym: cap of the ampullary crest. ... (05 Mar 2000) ...

cap splint
A plastic or metallic fracture appliance designed to cover the crowns of the teeth and usually cemented to them. ... (05 Mar 2000) ...

cap stage
Second stage of tooth development wherein there is development of the inner and outer enamel epithelium. ... (05 Mar 2000) ...

Cap(m(7)GpppXm) endonuclease
<enzyme> Cleaves capped rnas to generate primers that initiate viral RNA transcription ... Registry number: EC 3.1.27.- ... Synonym: cap mgx endonuclease, decapping enzyme ... (26 Jun 1999) ...

capacitance
The quantity of electric charge that may be stored upon a body per unit electric potential; expressed in farads, abfarads, or statfarads. ... (05 Mar 2000) ...

capacitance flicker
<physiology> Brief closings of an ion channel during ion channel openings, observed during patch clamp (or rapid transition of an ion channel between open and closed states such that the individual channel openings cannot be distinguished properly due to the limited bandwidth of the patch clamp amplifier.) ... (16 Dec 1997) ...

capacitation
<biology> A process occurring in mammalian sperm after exposure to secretions in the female genital tract. Surface changes take place probably involved with the acrosome which are necessary before the sperm can fertilize an egg. ... (16 Dec 1997) ...

capacitor
<radiobiology> Device used to store electrical energy by accumulating charge on conductors situated close to one another. Energy may be stored and withdrawn at varying rates. Used in short-pulse plasma devices where only a moderate amount of energy is needed. ... (09 Oct 1997) ...

capacity
Power or ability to hold, retain or contain or the ability to absorb. ... Origin: L. Capacitas, from capere = to take ... (18 Nov 1997) ...

capacity factor
<physics> This is the ratio of the average power output from an electric power plant to the plant's rated capacity. A capacity factor is ideally unity, but invariably less. Capacity factors vary widely between types of electric plants (for example, nuclear, solar, coal, etc.), and can even vary widely for a single type of power plant. ... < …

capactins
A class of proteins capping the ends of actin filaments. ... (05 Mar 2000) ...

CAPD
<abbreviation> Continuous ambulatory peritoneal dialysis. ... (05 Mar 2000) ...

capeline bandage
A bandage covering the head or an amputation stump like a cap. ... Origin: L. Capella, a cap ... (05 Mar 2000) ...

Capgras
Jean Marie Joseph, French psychiatrist, 1873-1950. ... See: Capgras' phenomenon, Capgras' syndrome. ... (05 Mar 2000) ...

capgras syndrome
<syndrome> A psychotic disorder characterised by the patient's conviction that certain important or familiar persons in his environment are not real but are 'doubles' of themselves or imposters. ... (12 Dec 1998) ...

Capgras' phenomenon
Synonym for Capgras' syndrome ... <syndrome> The delusional belief that a person (or persons) close to the schizophrenic patient has been substituted for by one or more impostors; may have an organic aetiology. ... Synonym: Capgras' phenomenon, illusion of doubles. ... (05 Mar 2000) ...

Capgras' syndrome
<syndrome> The delusional belief that a person (or persons) close to the schizophrenic patient has been substituted for by one or more impostors; may have an organic aetiology. ... Synonym: Capgras' phenomenon, illusion of doubles. ... (05 Mar 2000) ...

capillarectasia
Rarely used term for dilation of the capillary blood vessels. ... Origin: capillary + G. Ektasis, extension ... (05 Mar 2000) ...

capillaria
A genus of trichuroid nematodes parasitic in the liver and intestines of many mammals and birds. Two species, c. Hepatica and c. Philippinensis, produce often fatal infections in man. ... (12 Dec 1998) ...

Capillaria aerophila
Species occurring in the bronchi, bronchioles, and nasal sinuses of dogs, cats, and foxes; it causes rhinotracheitis, bronchitis, and nasal discharge in young animals. ... (05 Mar 2000) ...

Capillaria bovis
Species occurring in the small intestine of cattle, sheep, and goats. ... (05 Mar 2000) ...

Capillaria brevipes
Species found in the small intestine of cattle, sheep, and goats. ... (05 Mar 2000) ...

Capillaria hepatica
Species of threadworm that infects the liver in rodents; occasionally reported from man. ... (05 Mar 2000) ...

Capillaria philippinensis
A species of threadworm that has been implicated as a cause of intestinal capillariasis among northern Philippine fishermen. ... (05 Mar 2000) ...

Capillaria plica
A fine threadworm species occurring in the urinary bladder and sometimes the renal pelvis of the dog and cat. ... (05 Mar 2000) ...

capillariasis
A parasitic disease caused by infection with species of Capillaria. ... (05 Mar 2000) ...

capillaries
<anatomy> The smallest vessels which contain oxygenated blood. The capillaries, allowing red blood cells to travel in single file, are responsible for delivering oxygen to the tissues on a cellular level. ... (16 Dec 1997) ...

capillariomotor
Vasomotor, with special reference to the capillaries. ... (05 Mar 2000) ...

capillarioscopy
Viewing the cutaneous capillaries at the base of the fingernail through the low power of the microscope. ... Synonym: capillaroscopy, microangioscopy. ... (05 Mar 2000) ...

capillaritis
Inflammation of a capillary or capillaries. ... (05 Mar 2000) ...

capillarity
The action by which the surface of a liquid where it contacts a solid is elevated or depressed, because of the relative attraction of the molecules of the liquid for each other and for those of the solid. ... (12 Dec 1998) ...

capillaron
An anatomical module composed of parenchymal cells together with their blood capillaries and extracapillary fluid in a compliant capsule; functions as a hydraulic unit that provides a theoretical basis for proposing that blood flow is regulated at the capillary. ... (05 Mar 2000) ...

capillaropathy
Any disease of the capillaries, often applied to vascular changes in diabetes mellitus. ... Synonym: microangiopathy. ... Origin: capillary + G. Pathos, disease ... (05 Mar 2000) ...

capillaroscopy
Synonym for capillarioscopy ... Viewing the cutaneous capillaries at the base of the fingernail through the low power of the microscope. ... Synonym: capillaroscopy, microangioscopy. ... (05 Mar 2000) ...

capillary
<anatomy> Any one of the minute vessels that connect the arterioles and venules, forming a network in nearly all parts of the body. Their walls act as semipermeable membranes for the interchange of various substances, including fluids, between the blood and tissue fluid. ... Synonym: vas capillare. ... Origin: L. Capillaris = hair like ... (16 D …

capillary action
The phenomenon of a liquid such as water spontaneously creeping up thin tubes and fibres, this is caused by adhesive and cohesive forces and surface tension. ... (09 Oct 1997) ...

capillary angioma
Synonym for capillary haemangioma ... <dermatology> Red or purple-coloured vascular skin markings that develop shortly after birth. Most are usually painless and benign and sharply demarcated from surrounding skin, usually located on the head and neck, and grow rapidly. ... It is caused by proliferation of immature capillary vessels in active s …

capillary arteriole
A minute artery that terminates in a capillary. ... (05 Mar 2000) ...

capillary attraction
The force that causes fluids to rise up very fine tubes or through the pores of a loose material. ... (05 Mar 2000) ...

capillary bed
The capillaries considered collectively and their volume capacity for blood. ... (05 Mar 2000) ...

capillary circulation
The course of the blood through the capillaries. ... (05 Mar 2000) ...

capillary drainage
Drainage by means of a wick of gauze or other material. ... (05 Mar 2000) ...

capillary electrophoresis
A technique for separating compounds, a sample of a compound to beseparated is placed in a capillary tube, which is then subjected to ahigh voltage current that separates its chemical components. ... (09 Oct 1997) ...

capillary fracture
Synonym for hairline fracture ... A fracture without separation of the fragments, the line of break being hairlike, as seen sometimes in the skull. ... Synonym: capillary fracture. ... (05 Mar 2000) ...

capillary fragility
The lack of resistance, or susceptibility, of capillaries to damage or disruption under conditions of increased stress. ... (12 Dec 1998) ...

capillary fragility test
A tourniquet test used to determine presence of vitamin C deficiency or thrombocytopenia; a circle 2.5 cm in diameter, the upper edge of which is 4 cm below the crease of the elbow, is drawn on the inner aspect of the forearm, pressure midway between the systolic and diastolic blood pressure is applied above the elbow for 15 minutes, and a count of …

capillary fringe
A zone immediately above the water table in which water is drawn upward from the water table by capillary action. ... (09 Oct 1997) ...

capillary haemangioma
<dermatology> Red or purple-coloured vascular skin markings that develop shortly after birth. Most are usually painless and benign and sharply demarcated from surrounding skin, usually located on the head and neck, and grow rapidly. ... It is caused by proliferation of immature capillary vessels in active stroma, and is usually present at birt …

capillary lake
The total mass of blood contained in capillary vessels. ... (05 Mar 2000) ...

capillary leak syndrome
<syndrome> Extravasation of plasma fluid and proteins into the extravascular space, resulting in sometimes fatal hypotension and reduced oxygen perfusion. Clinical capillary leak syndrome is observed in patients who demonstrate a state of generalised leaky capillaries following shock syndromes, low-flow states, ischemia-reperfusion injuries, …

capillary loops
Small blood vessels in the dermal papillae. ... (05 Mar 2000) ...

capillary nevus
Capillary haemangioma of the skin. ... (05 Mar 2000) ...

capillary pericyte
Synonym for Rouget cell ... A cell with several slender processes that embraces the capillary wall in amphibia. ... Synonym: capillary pericyte. ... (05 Mar 2000) ...

capillary permeability
Property of blood capillary walls that allows for the selective exchange of substances. Small lipid-soluble molecules such as carbon dioxide and oxygen move freely by diffusion. Water and water-soluble molecules cannot pass through the endothelial walls and are dependent on microscopic pores. These pores show narrow areas (tight junctions) which ma …

capillary permeability factor
Synonym for vitamin P ... A mixture of bioflavonoids extracted from plants (especially citrus fruits). It reduces the permeability and fragility of capillaries and is useful in the treatment of certain cases of purpura that are resistant to vitamin C therapy. ... See: hesperidin, quercetin, rutin. ... Synonym: capillary permeability factor, citrin, pe …

capillary pulse
The alternate rhythmical blanching and reddening of a capillary area, as seen under the nails or in the lip, upon gentle compression; a sign of arteriolar dilation, well seen in aortic insufficiency. ... (05 Mar 2000) ...

capillary resistance
The resistance offered to the flow of blood through the capillary portion of the peripheral vascular bed. ... (12 Dec 1998) ...

capillary resistance test
Synonym for capillary fragility test ... A tourniquet test used to determine presence of vitamin C deficiency or thrombocytopenia; a circle 2.5 cm in diameter, the upper edge of which is 4 cm below the crease of the elbow, is drawn on the inner aspect of the forearm, pressure midway between the systolic and diastolic blood pressure is applied above …

capillary vessel
Synonym for capillary ... <anatomy> Any one of the minute vessels that connect the arterioles and venules, forming a network in nearly all parts of the body. Their walls act as semipermeable membranes for the interchange of various substances, including fluids, between the blood and tissue fluid. ... Synonym: vas capillare. ... Origin: L. Capill …

capillary zone electrophoresis
A method for separating molecules extremely rapidly based on their electrophoretic mobility. ... (05 Mar 2000) ...

capillus
Synonym: scalp hair. ... Origin: L. Hair ... (05 Mar 2000) ...

Capim viruses
A serologic group of the genus Bunyavirus, the type species of which is Capim virus. ... (05 Mar 2000) ...

capistration
An obsolete term for paraphimosis. ... Origin: L. Capistrum, muzzle ... (05 Mar 2000) ...