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


lipping
The formation of a liplike structure, as at the articular end of a bone in osteoarthritis. ... (05 Mar 2000) ...

lippitude
Lippitudo ... Synonym: blear eye. ... Origin: L., fr. Lippus, blear-eyed ... (05 Mar 2000) ...

lipreading
The process by which an observer comprehends speech by watching the movements of the speaker's lips without hearing the speaker's voice. ... (12 Dec 1998) ...

lips
Aside from the lips of the mouth, there are two pairs of lips at the entrance to the vagina. They are the labia majora (the larger outside pair) and the labia minora (the smaller inside pair). Together they form part of the vulva (the female external genitalia). ... (12 Dec 1998) ...

lips of mouth
Lips of the mouth. ... Synonym: labia oris. ... (05 Mar 2000) ...

Lipschutz
Benjamin, Austrian physician, 1878-1931. ... See: Lipschutz cell, Lipschutz' ulcer. ... (05 Mar 2000) ...

Lipschutz cell
Synonym for centrocyte ... 1. A cell whose protoplasm contains single and double granules of varying size stainable with haematoxylin; seen in lesions of lichen planus. ... Synonym: Lipschutz cell. ... 2. A lymphocyte with a small cleaved nuclei. ... Origin: centro-+ G. Kytos, cell ... (05 Mar 2000) ...

Lipschutz' ulcer
A simple acute ulceration of the vulva or lower vagina of nonvenereal origin. ... Synonym: ulcus vulvae acutum. ... (05 Mar 2000) ...

lipuria
Presence of lipids in the urine. ... Synonym: adiposuria. ... Origin: Lipo-+ G. Ouron, urine ... (05 Mar 2000) ...

lipuric
Pertaining to lipuria. ... (05 Mar 2000) ...

liquefaction
<chemistry> The transformation of a gas into a liquid. ... (09 Jan 1998) ...

liquefaction degeneration
Necrosis with softening, as in ischemic brain tissue, dissolution of the basal epidermal layer by necrosis of scattered cells with oedema, observed in lichen planus, lupus erythematosus, and other dermatologic conditions. ... (05 Mar 2000) ...

liquefactive
Relating to liquefaction. ... (05 Mar 2000) ...

liquefactive necrosis
A type of necrosis characterised by a fairly well-circumscribed, microscopically or macroscopically visible lesion that consists of the dull, opaque or turbid, gray-white to yellow-gray, soft or boggy, partly or completely fluid remains of tissue that became necrotic and was digested by enzymes, especially proteolytic enzymes liberated from disinte …

liquescent
Becoming or tending to become liquid. ... Origin: L. Liquesco, to become liquid ... (05 Mar 2000) ...

liquid
1. A substance whose parts change their relative position on the slightest pressure, and therefore retain no definite form; any substance in the state of liquidity; a fluid that is not aeriform. ... Liquid and fluid are terms often used synonymously, but fluid has the broader signification. All liquids are fluids, but many fluids, as air and the gas …

liquid air
Air that, by means of intense cold and pressure, has been liquefied. ... (05 Mar 2000) ...

liquid extract
Synonym for fluidextract ... Pharmacopeial liquid preparation of vegetable drugs, made by percolation, containing alcohol as a solvent or as a preservative, or both, and so made that each milliliter contains the therapeutic constituents of 1 g of the standard drug that it represents. ... Synonym: liquid extract. ... (05 Mar 2000) ...

liquid glucose
A pharmaceutic aid consisting of dextrose, dextrins, maltose, and water, obtained by the incomplete hydrolysis of starch. ... (05 Mar 2000) ...

liquid human serum
The pool of fluids separated from blood withdrawn from human subjects and allowed to clot in the absence of any anticoagulant; not more than 10 separate donations are pooled; the contributions from donors of A, O, and either B or AB groups are represented in approximately the ratio 9:9:2. ... (05 Mar 2000) ...

liquid hydrocarbon
One of a very large group of chemical compounds composed only of carbon and hydrogen. The largest source of hydrocarbons is petroleum. ... (05 Dec 1998) ...

liquid metal
<radiobiology> Metal which has been heated past its melting point and can be used as a working fluid for pumping heat out from a powerplant. Liquid metal used as coolant in a system where significant magnetic fields exist, it behaves differently due to magnetohydrodynamic effects, these cause pressure which resists fluid circulation, suppress …

liquid paraffin
Synonym for mineral oil ... <chemical> A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. ... Pharmacological action: cathartic, emollients, ointment bases. ... Chemical name: Hydrocarbon oils ... (12 Dec 1998) ...

liquid petroleum
Synonym for mineral oil ... <chemical> A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. ... Pharmacological action: cathartic, emollients, ointment bases. ... Chemical name: Hydrocarbon oils ... (12 Dec 1998) ...

liquid pitch
Synonym for pine tar ... Obtained by the destructive distillation of the wood of Pinus palustris and other species of Pinus; used internally as an expectorant, and externally in the treatment of skin diseases. ... Synonym: liquid pitch. ... (05 Mar 2000) ...

liquid-liquid chromatography
Chromatography in which both the moving phase and the stationary (or reverse-moving) phase are liquids, as in countercurrent distribution. ... (05 Mar 2000) ...

liquid-metal fast-breeder reactor
<physics> Fission breeder reactor concept using liquid-metal coolant and breeding additional fuel off fast neutrons. ... See: breeder reactor. ... (09 Oct 1997) ...

liquidambar
1. <botany> A genus consisting of two species of tall trees having star-shaped leaves, and woody burlike fruit. Liquidambar styraciflua is the North American sweet qum, and L. Orientalis is found in Asia Minor. ... 2. The balsamic juice which is obtained from these trees by incision. The liquid balsam of the Oriental tree is liquid storax. ... …

liquifilm
A thin liquid layer of coating. ... (18 Nov 1997) ...

liquor
1. A liquid, especially an aqueous solution containing a medicinal substance. ... 2. A general term used in anatomical nomenclature for certain fluids of the body. ... See: solution. ... (18 Nov 1997) ...

liquor amnii
Synonym for amniotic fluid ... <anatomy, obstetrics> The fluid that surrounds the developing foetus within the amniotic sac. This environment cushions the baby from injury and plays an important role in foetal development. ... (05 Feb 1998) ...

liquor cerebrospinalis
Synonym for cerebrospinal fluid ... <neurology> A clear, colourless fluid that contains small quantities of glucose and protein. Cerebrospinal fluid fills the ventricles of the brain and the central canal of the spinal cord. ... Analysis of the cerebrospinal fluid can be accomplished using lumbar puncture. The presence of white blood cells or b …

liquor entericus
Intestinal secretions. ... (05 Mar 2000) ...

liquor folliculi
The fluid within the antrum of the ovarian follicle. ... (05 Mar 2000) ...

liquorice
Synonym for glycyrrhiza ... 1. <botany> A genus of papilionaceous herbaceous plants, one species of which (G. Glabra), is the licorice plant, the roots of which have a bittersweet mucilaginous taste. ... 2. <remedy> The root of Glycyrrhiza glabra (liquorice root), used as a demulcent, etc. ... Origin: L, fr. Gr.; sweet + root. Cf. Licorice …

liquorrhoea
The flow of liquid. ... Origin: L. Liquor, fluid, + G. Rhoia, flow ... (05 Mar 2000) ...

liriodendron
Origin: NL, fr. Gr. Lily + tree. ... <botany> A genus of large and very beautiful trees of North America, having smooth, shining leaves, and handsome, tuliplike flowers; tulip tree; whitewood; called also canoewood. Liriodendron tulipifera is the only extant species, but there were several others in the Cretaceous epoch. ... Source: Websters Di …

Lisch nodule
Iris hamartomas typically seen in type 1 neurofibromatosis. ... Synonym: Sakurai-Lisch nodule. ... (05 Mar 2000) ...

Lisch, Karl
<person> Austrian ophthalmologist, *1907. ... See: Lisch nodule. ... (05 Mar 2000) ...

lisfranc fracture-dislocation
<radiology> Tarsal-metatarsal fracture-dislocation, trauma, diabetes (neuropathic) ... (12 Dec 1998) ...

Lisfranc, Jacques
<person> French surgeon, 1790-1847. ... See: Lisfranc's amputation, Lisfranc's joints, Lisfranc's ligaments, Lisfranc's operation, scalene tubercle of Lisfranc. ... (05 Mar 2000) ...

Lisfranc's amputation
Amputation of the foot at the tarsometatarsal joint, the sole being preserved to make the flap. ... Synonym: Lisfranc's operation. ... (05 Mar 2000) ...

Lisfranc's joints
Synonym for tarsometatarsal joints ... The three synovial joints between the tarsal and metatarsal bones, consisting of a medial joint between the first cuneiform and first metatarsal, an intermediate joint between the second and third cuneiforms and corresponding metatarsals, and a lateral joint between the cuboid and fourth and fifth metatarsals.< …

Lisfranc's ligaments
Synonym for interosseous cuneometatarsal ligaments ... Ligaments that pass from the cuneiform bones to the metatarsals, the one from the first cuneiform to the second metatarsal being the strongest. ... Synonym: ligamenta cuneometatarsalia interossea, Lisfranc's ligaments. ... (05 Mar 2000) ...

Lisfranc's operation
Synonym for Lisfranc's amputation ... Amputation of the foot at the tarsometatarsal joint, the sole being preserved to make the flap. ... Synonym: Lisfranc's operation. ... (05 Mar 2000) ...

Lisfranc's tubercle
Synonym for scalene tubercle ... A small spine on the inner edge of the first rib, giving attachment to the scalenus anterior muscle. ... Synonym: tuberculum musculi scaleni anterioris, Lisfranc's tubercle, scalene tubercle of Lisfranc, tubercle of anterior scalene muscle. ... (05 Mar 2000) ...

lisinopril
<chemical> (s)-1-(n(2)-(1-carboxy-3-phenylpropyl)-l-lysyl)-l-proline dihydrate. An orally active angiotensin-converting enzyme inhibitor that has been used in the treatment of hypertension and congestive heart failure. ... Pharmacological action: cardiotonic agent, antihypertensive agents, angiotensin-converting enzyme inhibitors. ... Chemical …

Lison-Dunn stain
<technique> A technique using leuco patent blue V and hydrogen peroxidase to demonstrate haemoglobin peroxidase on time sections and smears. ... (05 Mar 2000) ...

Lison, Lucien
<person> Belgian scientist, *1907. ... See: Lison-Dunn stain. ... (05 Mar 2000) ...

lisping
Mispronunciation of the sibilants s and z. ... Synonym: parasigmatism, sigmatism. ... (05 Mar 2000) ...

lissamine green dyes
Green dyes containing ammonium and aryl sulfonate moieties that facilitate the visualization of tissues, if given intravenously. They have mostly been used in the study of kidney physiology. ... (12 Dec 1998) ...

lissamine rhodamine B 200
Synonym for sulforhodamine B ... C27H29N207S2Na;a xanthene dye derivative, a fluorochrome used for tagging proteins by a sulfamido condensation; employed in immuno-fluorescence alone or in combination with fluorescein isothiocyanate for the simultaneous microscopic detection of two antigens in contrasting red and green colours. ... Synonym: lissamine …

Lissauer, Heinrich
<person> German neurologist, 1861-1891. ... See: Lissauer's bundle, Lissauer's column, Lissauer's fasciculus, Lissauer's tract, Lissauer's marginal zone, column of Spitzka-Lissauer. ... (05 Mar 2000) ...

Lissauer's bundle
Synonym 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 …

Lissauer's column
Synonym 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 …

Lissauer's fasciculus
Synonym 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 …

Lissauer's marginal zone
Synonym 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 …

Lissauer's tract
Synonym 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 …

lissencephalia
Synonym: agyria. ... Origin: G. Lissos, smooth, + enkephalos, brain ... (05 Mar 2000) ...

lissencephalic
Pertaining to, or characterised by, lissencephalia. ... (05 Mar 2000) ...

lissencephaly
Synonym: agyria. ... Origin: G. Lissos, smooth, + enkephalos, brain ... (05 Mar 2000) ...

lissive
Having the property of relieving muscle spasm without causing flaccidity. ... Origin: G. Lissos, smooth ... (05 Mar 2000) ...

lissosphincter
A sphincter of smooth musculature. ... Synonym: smooth muscular sphincter. ... Origin: G. Lissos, smooth, + sphincter ... (05 Mar 2000) ...

lissotrichic
Lissotrichous ... Having straight hair. ... Origin: G. Lissos, smooth, + thrix (trich-), hair ... (05 Mar 2000) ...

list
1. To sew together, as strips of cloth, so as to make a show of colours, or form a border. ... 2. To cover with list, or with strips of cloth; to put list on; as, to list a door; to stripe as if with list. 'The tree that stood white-listed through the gloom.' (Tennyson) ... 3. To enroll; to place or register in a list. 'Listed among the upper serving …

Lister, Joseph
<person> Lister's surgical achievements certainly place him as the figurehead of English medicine. Born into a studious Quaker family in Upton, England, where his father was a wealthy wine merchant and also a maker of optical instruments, Joseph was influenced into scientific problems. ... While a medical student, he was encouraged in research …

Lister, Joseph Lord
<person> English surgeon, 1827-1912. ... See: Listerella, Listeria, listerism, Lister's dressing, Lister's method, Lister's tubercle. ... (05 Mar 2000) ...

Lister's dressing
The first type of antiseptic dressing, one of gauze impregnated with carbolic acid. ... (05 Mar 2000) ...

Lister's method
Antiseptic surgery, as first advocated by Lister in 1867; the operation was performed under a cloud of diluted carbolic acid spray, the instruments were dipped in a carbolic solution before use, and the wound was dressed with a thick layer of carbolised gauze; from this was developed the present practice of aseptic surgery. ... Synonym: listerism.
Lister's tubercle
dorsal tubercle of radius ...

Listerella
In bacteriology, a rejected generic name sometimes cited as a synonym of Listeria. The type species is Listerella hepatolytica. ... Origin: Joseph Lister ... (05 Mar 2000) ...

listeria
A group of bacteria named after the English surgeon and apostle of antisepsis, joseph lister (1827-1912). ... (12 Dec 1998) ...

Listeria denitrificans
A species found in cooked blood of beef; pathogenic to rats and mice when injected intraperitoneally. ... (05 Mar 2000) ...

Listeria grayi
A species found in the faeces of chinchillas. ... (05 Mar 2000) ...

listeria infections
Infections with bacteria of the genus listeria. ... (12 Dec 1998) ...

listeria meningitis
Synonym for listeriosis ... Infection with one of the Listeria bacteria capable of causing miscarriage (spontaneous abortion), stillbirth and premature birth. ... (12 Dec 1998) ...

Listeria monocytogenes
Rod shaped gram-positive bacterium. It is wide spread and can grow over an unusually wide range of temperatures 0-45­C). It is normally saprophytic but is an opportunistic parasite, in that it can survive within cells (particularly leucocytes) and can be transmitted trans placentally. It has caused a number of serious outbreaks of food poisoning wi …

listeriosis
Infection with one of the Listeria bacteria capable of causing miscarriage (spontaneous abortion), stillbirth and premature birth. ... (12 Dec 1998) ...

listing
1. The act or process of one who lists (in any sense of the verb); as, the listing of a door; the listing of a stock at the Stock Exchange. ... 2. The selvedge of cloth; list. ... 3. The sapwood cut from the edge of a board. ... 4. <agriculture> The throwing up of the soil into ridges, a method adopted in the culture of beets and some garden cro …

Listing, Johann
<person> German physiologist, 1808-1882. ... See: Listing's reduced eye, Listing's law. ... (05 Mar 2000) ...

Listing's law
When the eye leaves one object and fixes upon another, it revolves about an axis perpendicular to a plane cutting both the former and the present lines of vision. ... (05 Mar 2000) ...

Listing's reduced eye
A representation that simplifies calculations of retinal imagery: radius of anterior refracting surface, 5.1 mm; total length, 20 mm; distance of nodal point to retina, 15 mm. ... (05 Mar 2000) ...

Liston, Robert
<person> English surgeon, 1794-1847. ... See: Liston's knives, Liston's shears, Liston's splint. ... (05 Mar 2000) ...

Liston's knives
Long-bladed knives of various sizes used in amputations. ... (05 Mar 2000) ...

Liston's shears
Strong shears for cutting plaster of Paris bandages. ... (05 Mar 2000) ...

Liston's splint
A long splint extending from the axilla to the sole of the foot. ... (05 Mar 2000) ...

lisuride
<chemical> An ergot derivative that acts as an agonist at dopamine d2 receptors, may also act as an antagonist at dopamine d1 receptors, and as an agonist at some serotonin receptors. It has been used in parkinsonism but it may be hepatotoxic. It is commonly used as a research tool. ... Pharmacological action: antiparkinson agents, dopamine ag …

litchi
<botany> The fruit of a tree native to China (Nephelium Litchi). It is nutlike, having a rough but tender shell, containing an aromatic pulp, and a single large seed. In the dried fruit which is exported the pulp somewhat resembles a raisin in colour and form. ... Alternative forms: lichi, and lychee] lite . See -lith. ... Source: Websters Dict …

liter
A measure of capacity of 1000 cubic centimeters or 1 cubic decimeter; equivalent to 1.056688 quarts (U.S., liquid). ... Origin: Fr., fr. G. Litra, a pound ... (05 Mar 2000) ...

literal agraphia
Synonym for absolute agraphia ... Agraphia in which not even unconnected letters can be written. ... Synonym: atactic agraphia, literal agraphia. ... (05 Mar 2000) ...

literator
1. One who teaches the letters or elements of knowledge; a petty schoolmaster. ... 2. A person devoted to the study of literary trifles, especially. Trifles belonging to the literature of a former age. 'That class of subjects which are interesting to the regular literator or black-letter ' bibliomane,' simply because they have once been interesting. …

literature
1. Learning; acquaintance with letters or books. ... 2. The collective body of literary productions, embracing the entire results of knowledge and fancy preserved in writing; also, the whole body of literary productions or writings upon a given subject, or in reference to a particular science or branch of knowledge, or of a given country or period; …

litharge
<chemistry> Lead monoxide; a yellowish red substance, obtained as an amorphous powder, or crystallized in fine scales, by heating lead moderately in a current of air or by calcining lead nitrate or carbonate. It is used in making flint glass, in glazing earthenware, in making red lead minium, etc. Called also massicot. ... Origin: OE. Litarge, …

lithectomy
Synonym: lithotomy. ... Origin: Litho-+ G. Ektome, excision ... (05 Mar 2000) ...

lithic
1. Of or pertaining to stone; as, lithic architecture. ... 2. <medicine> Pertaining to the formation of uric-acid concretions (stone) in the bladder and other parts of the body; as, lithic diathesis. ... <medicine> LIthic acid, uric acid. See Uric acid, under Uric. ... Origin: Gr. Of or belonging to stones, fr. Stone: cf. F. Lithique. ... & …

lithic acid
Synonym for uric acid ... <biochemistry> The final product of nitrogenous excretion in animals that require to conserve water, such as terrestrial insects or have limited storage space, such as birds and their eggs. Uric acid has very low water solubility and crystals may be deposited in, for example: butterflies wings to impart irridescence.< …

lithium
The lightest alkali metal, although it has the largest hydrated cation. Important as an antidepressant and is thought to act by inhibiting the regeneration of inositol from IP3 and thus reducing the efficiency of the phosphatidyl inositol signalling pathways. ... (18 Nov 1997) ...

lithium bromide
LiBr;a white deliquescent powder, used as a sedative and hypnotic. ... (05 Mar 2000) ...

lithium carbonate
This compound is used to treat manic depression. ... (09 Oct 1997) ...

lithium chloride
<chemical> A salt of lithium that has been used experimentally as an immunomodulator. ... Pharmacological action: adjuvants, immunologic, antimanic agents. ... Chemical name: Lithium chloride (LiCl) ... (12 Dec 1998) ...