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

morcel
To remove piecemeal. ... Origin: Fr. Morceler, to subdivide ... (05 Mar 2000) ...

morcellation
Division into and removal of small pieces, as of a tumour. ... Synonym: morcellement. ... Origin: Fr. Morceler, to subdivide ... (05 Mar 2000) ...

morcellation operation
<gynaecology> Vaginal hysterectomy in which the uterus is removed in multiple pieces after being split or partitioned. ... (05 Mar 2000) ...

morcellement
Synonym: morcellation. ... Origin: Fr. ... (05 Mar 2000) ...

mordant
1. Any corroding substance used in etching. ... 2. Any substance, as alum or copperas, which, having a twofold attraction for organic fibres and colouring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes. ... 3. Any sticky matter by which the gold leaf is made to adhere. ... Origin: F, originally, biting. ... Source: W …

morel
<botany> An edible fungus (Morchella esculenta), the upper part of which is covered with a reticulated and pitted hymenium. It is used as food, and for flavoring sauces. ... Alternative forms: moril. ... See: Moril. ... <botany> ... 1. Nightshade; so called from its blackish purple berries. ... Alternative forms: morelle. ... 2. A kind of che …

Morel, Benedict
<person> French psychiatrist, 1809-1873. ... See: Morel's ear, Stewart-Morel syndrome. ... (05 Mar 2000) ...

Morel's ear
A large, misshapen, outstanding auricle, with obliterated grooves and thinned edges. ... (05 Mar 2000) ...

Morerastrongylus costaricensis
Synonym for Angiostrongylus costaricensis ... A nematode parasite of rats and other rodents in Central America, recently found to infect humans, where they localise in the mesenteric arteries; infective third-stage larvae have been found in the slug, Vaginulus plebeius. ... Synonym: Morerastrongylus costaricensis. ... (05 Mar 2000) ...

mores
A concept used in the behavioural and social sciences to refer to centrally important and accepted folkways, and cultural norms which embody the fundamental moral views of a group. ... Origin: L. Pl. Of mos, custom ... (05 Mar 2000) ...

Morgagni-Adams-Stokes syndrome
Synonym for adams-stokes syndrome ... <syndrome> Transient asystole or ventricular fibrillation in the presence of atrioventricular block. ... (12 Dec 1998) ...

Morgagni, Giovanni
<person> Italian anatomist and pathologist, 1682-1771. ... See: morgagnian cyst, Morgagni's appendix, Morgagni's cartilage, Morgagni's caruncle, Morgagni's cataract, Morgagni's columns, Morgagni's concha, Morgagni's crypts, Morgagni's disease, Morgagni's foramen, Morgagni's fossa, Morgagni's fovea, Morgagni's frenum, Morgagni's globules, Morga …

Morgagni's appendix
Synonym for pyramidal lobe of thyroid gland ... <anatomy> An inconstant narrow lobe of the thyroid gland that arises from the upper border of the isthmus and extends upward, sometimes as far as the hyoid bone; it marks the point of continuity with the thyroglossal duct. ... Synonym: lobus pyramidalis glandulae thyroideae, Lallouette's pyramid, …

Morgagni's cartilage
Synonym for cuneiform cartilage ... A small nonarticulating rod of elastic cartilage in the aryepiglottic fold anterolateral and somewhat superior to the corniculate cartilage. ... Synonym: cartilago cuneiformis, Morgagni's cartilage, Morgagni's tubercle, Wrisberg's cartilage. ... (05 Mar 2000) ...

Morgagni's caruncle
Synonym for middle lobe of prostate ... The portion of the prostate lying between the urethra and the ejaculatory ducts; indistinct unless hypertrophied. ... Synonym: lobus medius prostatae, Morgagni's caruncle. ... (05 Mar 2000) ...

Morgagni's cataract
A hypermature cataract in which the nucleus gravitates within the capsule. ... Synonym: sedimentary cataract. ... (05 Mar 2000) ...

Morgagni's columns
Synonym for anal columns ... A number of vertical ridges in the mucous membrane of the upper half of the anal canal formed as the caliber of the canal is sharply reduced from that of the rectal ampulla. ... Synonym: columnae anales, Morgagni's columns, rectal columns. ... (05 Mar 2000) ...

Morgagni's concha
Synonym for superior nasal concha ... The upper thin, spongy, bony plate with curved margins, part of the ethmoidal labyrinth, projecting from the lateral wall of the nasal cavity and separating the superior meatus from the sphenoethmoidal recess, the above bony plate and its thick mucoperiosteum, which is less vascular than that of the middle and i …

Morgagni's crypts
Synonym for anal sinuses ... The grooves between the anal columns. ... Synonym: Morgagni's sinus. ... Pockets or crypts in the columnar zone of the anal canal between the anocutaneous line and the anorectal line; the sinuses give the mucosa a scalloped appearance. ... Synonym: sinus anales, anal crypts, Morgagni's crypts, rectal sinuses. ... (05 Mar 200 …

Morgagni's disease
Synonym for adams-stokes syndrome ... <syndrome> Transient asystole or ventricular fibrillation in the presence of atrioventricular block. ... (12 Dec 1998) ...

Morgagni's foramen
Synonym for foramen caecum of tongue ... <anatomy> A median pit on the dorsum of the posterior part of the tongue, from which the limbs of a V-shaped furrow run forward and outward; it is the site of origin of the thyroid gland and subsequent thyroglossal duct in the embryo. ... Synonym: foramen caecum linguae, blind foramen of the tongue, caec …

Morgagni's fossa
Synonym for navicular fossa of urethra ... The terminal dilated portion of the urethra in the glans penis. ... Synonym: fossa navicularis urethrae, fossa terminalis urethrae, Morgagni's fossa, Morgagni's fovea. ... (05 Mar 2000) ...

Morgagni's fovea
Synonym for navicular fossa of urethra ... The terminal dilated portion of the urethra in the glans penis. ... Synonym: fossa navicularis urethrae, fossa terminalis urethrae, Morgagni's fossa, Morgagni's fovea. ... (05 Mar 2000) ...

Morgagni's frenum
Synonym for frenulum of ileocaecal valve ... A fold, more evident in cadavers, running from the junction of the two commissures of the ileocaecal valve on either side along the inner wall of the caecocolic junction. ... Synonym: frenulum valvae ileocaecalis, frenulum of Morgagni, Morgagni's frenum, Morgagni's retinaculum. ... (05 Mar 2000) ...

Morgagni's globules
Vesicles beneath the capsule and between lens fibres in early cataract. ... Synonym: Morgagni's spheres. ... (05 Mar 2000) ...

Morgagni's humor
Synonym for Morgagni's liquor ... A fluid found postmortem between the epithelium and the fibres of the lens, resulting from the liquefaction of a semifluid material existing there during life. ... Synonym: Morgagni's humor. ... (05 Mar 2000) ...

Morgagni's hydatid
Synonym for vesicular appendices of uterine tube ... A small fluid-filled cyst attached by a slender stalk to the fimbriated end of the uterine tube; a vestigial remnant of the embryonic mesonephric duct. ... Synonym: appendix vesiculosa, Morgagni's hydatid, morgagnian cyst, stalked hydatid, vesicular appendage. ... (05 Mar 2000) ...

Morgagni's lacuna
Synonym for urethral lacuna ... One of a number of little recesses in the mucous membrane of the spongy urethra into which empty the ducts of the urethral glands. ... Synonym: lacuna urethralis, Morgagni's lacuna. ... (05 Mar 2000) ...

Morgagni's liquor
A fluid found postmortem between the epithelium and the fibres of the lens, resulting from the liquefaction of a semifluid material existing there during life. ... Synonym: Morgagni's humor. ... (05 Mar 2000) ...

Morgagni's nodule
Synonym for nodule of semilunar valve ... A nodule at the centre of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta. ... Synonym: nodulus valvulae semilunaris, Arantius' nodule, Bianchi's nodule, corpus arantii, Morgagni's nodule. ... (05 Mar 2000) ...

Morgagni's prolapse
Chronic inflammation of Morgagni's ventricle. ... (05 Mar 2000) ...

Morgagni's retinaculum
Synonym for frenulum of ileocaecal valve ... A fold, more evident in cadavers, running from the junction of the two commissures of the ileocaecal valve on either side along the inner wall of the caecocolic junction. ... Synonym: frenulum valvae ileocaecalis, frenulum of Morgagni, Morgagni's frenum, Morgagni's retinaculum. ... (05 Mar 2000) ...

Morgagni's sinus
Synonym for anal sinuses ... The grooves between the anal columns. ... Synonym: Morgagni's sinus. ... Pockets or crypts in the columnar zone of the anal canal between the anocutaneous line and the anorectal line; the sinuses give the mucosa a scalloped appearance. ... Synonym: sinus anales, anal crypts, Morgagni's crypts, rectal sinuses. ... (05 Mar 200 …

Morgagni's spheres
Synonym for Morgagni's globules ... Vesicles beneath the capsule and between lens fibres in early cataract. ... Synonym: Morgagni's spheres. ... (05 Mar 2000) ...

Morgagni's syndrome
<syndrome> Hyperostosis frontalis interna in elderly women, with obesity and neuropsychiatric disorders of uncertain cause; at least sometimes familial. ... Synonym: metabolic craniopathy, Stewart-Morel syndrome. ... (05 Mar 2000) ...

Morgagni's tubercle
Synonym for cuneiform cartilage ... A small nonarticulating rod of elastic cartilage in the aryepiglottic fold anterolateral and somewhat superior to the corniculate cartilage. ... Synonym: cartilago cuneiformis, Morgagni's cartilage, Morgagni's tubercle, Wrisberg's cartilage. ... (05 Mar 2000) ...

Morgagni's valves
Synonym for anal valves ... Delicate crescent-shaped mucosal folds that pass between the lower ends of neighboring anal columns; the small pocket thus formed is an anal sinus. ... Synonym: valvulae anales, Morgagni's valves. ... (05 Mar 2000) ...

Morgagni's ventricle
Synonym for laryngeal ventricle ... The recess in each lateral wall of the larynx between the vestibular and vocal folds and into which the layrngeal sacculus opens. ... Synonym: ventriculus laryngis, laryngeal sinus, Morgagni's sinus, Morgagni's ventricle, sinus laryngeus. ... (05 Mar 2000) ...

morgagnian cyst
Synonym for vesicular appendices of uterine tube ... A small fluid-filled cyst attached by a slender stalk to the fimbriated end of the uterine tube; a vestigial remnant of the embryonic mesonephric duct. ... Synonym: appendix vesiculosa, Morgagni's hydatid, morgagnian cyst, stalked hydatid, vesicular appendage. ... (05 Mar 2000) ...

morgan
In genetics, a unit of linkage equal to one hundred map units. ... (14 Nov 1997) ...

Morgan, Harry de
<person> British physician, 1863-1931. ... See: Morgan's bacillus. ... (05 Mar 2000) ...

Morgan's bacillus
Synonym for Morganella morganii ... Type (and only) species of the genus Morganella. ... Synonym: Morgan's bacillus. ... (05 Mar 2000) ...

Morgan's fold
A crease or fold beneath the margin of the lower lid of both eyes, present from birth (or shortly thereafter) in patients with atopic dermatitis. ... (05 Mar 2000) ...

morganatic
Pertaining to, in the manner of, or designating, a kind of marriage, called also left-handed marriage, between a man of superior rank and a woman of inferior, in which it is stipulated that neither the latter nor her children shall enjoy the rank or inherit the possessions of her husband. Morganat'ically. ... Origin: LL. Matrimonium ad morganaticam, …

Morganella
A genus of Gram-negative, facultatively anaerobic, chemoorganotrophic, straight rods that are motile by peritrichous flagella. Found in faeces of human beings, other animals, and reptiles. Can cause opportunistic infections of the blood, respiratory tract, wounds, and urinary tract. ... (05 Mar 2000) ...

Morganella morganii
Type (and only) species of the genus Morganella. ... Synonym: Morgan's bacillus. ... (05 Mar 2000) ...

morgue
A place where bodies of the dead are kept before funeral ceremonials. The first morgue was in paris. In the 1880s the word morgue entered english to mean a mortuary. ... (12 Dec 1998) ...

moria
1. Rarely used term denoting foolishness or dullness of comprehension. ... Synonym: hebetude. ... 2. Rarely used term for a mental state marked by frivolity, joviality, an inveterate tendency to jest, and inability to take anything seriously. ... Origin: G. Moria, folly, fr. Moros, stupid, dull ... (05 Mar 2000) ...

moricizine
<chemical> (10-(3-(4-morpholinyl)-1-oxopropyl)-10h-phenothiazin-2-yl)carbamic acid ethyl ester. An effective, well-tolerated antiarrhythmia agent. The drug is used primarily for ventricular rhythm disturbances, but has been shown to be effective also for automatic atrial ectopic tachycardia and for ventricular arrhythmias associated with mitr …

morikrase
<enzyme> Complex of proteinases from the hepatopancreas of the king crab paralithodes camtschatica ... Pharmacological action: fibrinolytic agents ... Registry number: EC 3.4.99.- ... (26 Jun 1999) ...

Morison, James
<person> British surgeon, 1853-1939. ... See: Morison's pouch. ... (05 Mar 2000) ...

Morison's pouch
Synonym: hepatorenal recess. ... (05 Mar 2000) ...

mormon
One of a sect in the United States, followers of Joseph Smith, who professed to have found an addition to the Bible, engraved on golden plates, called the Book of Mormon, first published in 1830. The Mormons believe in polygamy, and their hierarchy of apostles, etc, has control of civil and religious matters. ... The Mormons call their religious org …

Morner, Karl
<person> Swedish chemist, 1855-1917. ... See: Morner's test. ... (05 Mar 2000) ...

Morner's test
For cysteine, which gives a brilliant purple colour with sodium nitroprusside; for tyrosine, which gives a green colour on boiling with sulfuric acid containing formaldehyde. ... (05 Mar 2000) ...

morning
Pertaining to the first part or early part of the day; being in the early part of the day; as, morning dew; morning light; morning service. 'She looks as clear As morning roses newly washed with dew.' (Shak) Morning gown, a gown worn in the morning before one is dressed for the day. Morning gun, a gun fired at the first stroke of reveille at milita …

morning diarrhoea
A form in which there are several loose stools in the early morning and during the forenoon, the bowels being quiet during the remainder of the day and night. ... (05 Mar 2000) ...

morning glory
<botany> A climbing plant (Ipomoea purpurea) having handsome, funnel-shaped flowers, usually red, pink, purple, white, or variegated, sometimes pale blue. ... See Dextrorsal. ... Synonym: Ipomoea rubrocoerulea var. Praecox., Rivea corymbosa. ... (22 Sep 2002) ...

morning glory anomaly
Synonym for morning glory syndrome ... <ophthalmology, syndrome> A congenital anomaly of the optic disk in which there is a funnel-shaped hypoplastic optic nerve, which has a dot of white tissue at the centre, surrounded by an elevated anulus of chorioretinal pigment. ... The retinal vessels seen are multiple narrow bands at the edge of the dis …

morning glory seeds
<botany> The seeds of morning glories, Rivea corymbosa, have been used for mind-altering purposes; hallucinogenic; intoxicant. ... (05 Mar 2000) ...

morning glory syndrome
<ophthalmology, syndrome> A congenital anomaly of the optic disk in which there is a funnel-shaped hypoplastic optic nerve, which has a dot of white tissue at the centre, surrounded by an elevated anulus of chorioretinal pigment. ... The retinal vessels seen are multiple narrow bands at the edge of the disk. ... (22 Sep 2002) ...

morning sickness
<obstetrics> Recurrent nausea and vomiting often seen in the first 12 weeks of pregnancy and more pronounced in the mornings. ... Synonym: hyperemesis gravidarum. ... (27 Sep 1997) ...

morning vomiting
Synonym for morning sickness ... <obstetrics> Recurrent nausea and vomiting often seen in the first 12 weeks of pregnancy and more pronounced in the mornings. ... Synonym: hyperemesis gravidarum. ... (27 Sep 1997) ...

Moro reflex
Synonym for startle reflex ... The reflex response of an infant (contraction of the limb and neck muscles) when allowed to drop a short distance through the air or startled by a sudden noise or jolt. ... Synonym: Moro reflex, parachute reflex, startle reaction. ... Synonym: cochleopalpebral reflex. ... (05 Mar 2000) ...

Moro, Ernst
<person> German physician. ... Lived: 1874-1951. ... See: Moro reflex. ... (05 Mar 2000) ...

Morocco
<geography> A kingdom in northern africa, west of algeria. Its capital is Rabat. ... It was known to the romans as mauretania, part of the carthaginian empire (not to be confused with the modern mauritania, a country of western africa). Morocco was invaded by the muslims in the 7th century a.d. It engaged in hostilities with england, france, a …

moron
<psychiatry> An obsolete term for a subclass of mental retardation or the individual classified therein. ... Origin: G. Moros, stupid ... (05 Mar 2000) ...

moroxydine
Abitilguanide; 4-morpholinecarboximidoylguanidine;an antiviral agent. ... (05 Mar 2000) ...

morph-
See: morpho-. ... (05 Mar 2000) ...

morphallaxis
Regenerative process in which part of an organism is transformed directly into a new organism without replication at the cut surface. ... (18 Nov 1997) ...

morphazinamide hydrochloride
Morinamide hydrochloride; N-(morpholinomethyl)pyrazinecarboxamide hydrochloride;an antituberculous agent. ... (05 Mar 2000) ...

morphea
A skin lesion that is characterised by the presence of localised, indurated, slightly depressed areas of thickened dermal tissue that may be white or yellow in colour and surrounded by a pink or purplish halo. ... See: in cutaneus scleroderma. ... (27 Sep 1997) ...

morphea acroterica
Morphea confined chiefly to the extremities. ... (05 Mar 2000) ...

morphea alba
Morphea in which there is reduction or absence of normal skin pigmentation. ... (05 Mar 2000) ...

morphea guttata
Small discrete, white, waxy, indurated lesions due to localised degenerative changes in the fibrous tissue. ... Synonym: white spot disease. ... (05 Mar 2000) ...

morphea herpetiformis
Morphea distributed along the course of distribution of a nerve, similar to the distribution of the lesions of herpes zoster. ... (05 Mar 2000) ...

morphea linearis
Morphea in which lesions are arranged in bands. ... (05 Mar 2000) ...

morphea pigmentosa
Localised scleroderma in which there is an increase in pigmentation. ... (05 Mar 2000) ...

morpheme
The smallest linguistic unit with a meaning. ... Origin: G. Morphe, form + -eme, from phoneme, G. Pheme,utterance ... (05 Mar 2000) ...

morphine
<drug> An opioid alkaloid, isolated from opium, with a complex ring structure. It is a powerful analgesic with important medical uses, but is highly addictive. Functions by occupying the receptor sites for the natural neurotransmitter peptides, endorphins and enkephalins, but is stable to the peptidases that inactivate these compounds. ... Pha …

morphine 6-dehydrogenase
<enzyme> Catalyses the dehydrogenation of morphine in position 6 to morphinone; also acts on codeine, normorphine and ethylmorphine ... Registry number: EC 1.1.1.218 ... Synonym: naloxone reductase ... (26 Jun 1999) ...

morphine dependence
Strong dependence, both physiological and emotional, upon morphine. ... (12 Dec 1998) ...

morphine derivatives
Analogs or derivatives of morphine. ... (12 Dec 1998) ...

morphine hydrochloride
White acicular or cubical crystals of bitter taste, soluble in about 25 parts of water. ... (05 Mar 2000) ...

morphine injector's septicaemia
Blood stream infection in an individual who injects him or herself with narcotics, usually intravenously, due to bacterial contamination of equipment used. Seen more often with heroin and narcotics other than morphine. ... (05 Mar 2000) ...

morphine sulfate
Morphine used for formulation of tablets as well as solutions for parenteral, epidural, or intrathecal injection to relieve pain. ... (05 Mar 2000) ...

morphinomimetic
Marked by simulation of (body processes induced by) morphine. ... (18 Nov 1997) ...

morphinone reductase
<enzyme> Converts morphinone to hydromorphone (dihydromorphinone); contains fmn; requires NADH ... Registry number: EC 1.3.1.- ... Synonym: morb gene product ... (26 Jun 1999) ...

morpho
1. <entomology> Any one of numerous species of large, handsome, tropical American butterflies, of the genus Morpho. They are noted for the very brilliant metallic luster and bright colours (often blue) of the upper surface of the wings. The lower surface is usually brown or gray, with eyelike spots. ... Origin: NL, fr. Gr, an epithet of Venus. …

morphogen
<embryology> Diffusible substance that carries information relating, for example: to position in the embryo and thus determines the differentiation that cells perceiving this information will undergo. ... (18 Nov 1997) ...

morphogenesis
<cell biology> The process of shape formation: the processes that are responsible for producing the complex shapes of adults from the simple ball of cells that derives from division of the fertilized egg. ... (18 Nov 1997) ...

morphogenetic
Relating to morphogenesis. ... (05 Mar 2000) ...

morphogenetic movement
<embryology> Movements of cells or of groups of cells in the course of development. ... Thus the invagination of cells in gastrulation is one of the most dramatic of morphogenetic movements, another much studied example is the migration of neural crest cells. ... (21 Jun 2000) ...

morphologic element
Synonym for anatomical element ... Any anatomical unit, such as a cell. ... Synonym: morphologic element. ... (05 Mar 2000) ...

morphological adaptation
<ecology> A structural feature that aids in fitting a species to its particular environment (for example, buttressed bases, adventitious roots and aerenchymous tissue). ... (09 Oct 1997) ...

morphological features
Properties related to the external structure of soil (such as colour and texture) or of plants. ... (09 Oct 1997) ...

morphology
<study> A study of the configuration or the structure of animals and plants. ... (27 Sep 1997) ...

morphometric
Pertaining to morphometry. ... (05 Mar 2000) ...

morphometry
<technique> Method that involves measurement of shape. ... A variety of methods exist to enable one to examine, for example: the distribution of objects in a 2 D section of a cell and then to use this to predict the shapes and the distribution of these objects in three dimensions. ... (18 Nov 1997) ...

morphon
<biology> A morphological individual, characterised by definiteness of form bion, a physiological individual. See Tectology. ... Of morphons there are six orders or categories: 1. Plastids or elementary organisms. 2. Organs, homoplastic or heteroplastic. 3. Antimeres (opposite or symmetrical or homotypic parts). 4. Metameres (successive or hom …