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


sequestration
1. Formation of a sequestrum. ... 2. Loss of blood or of its fluid content into spaces within the body so that it is withdrawn from the circulating volume, resulting in haemodynamic impairment, hypovolaemia, hypotension, and reduced venous return to the heart. ... Origin: L. Sequestratio, fr. Sequestro, pp. -atus, to lay aside ... (05 Mar 2000) ...

sequestration cyst
Synonym for dermoid cyst ... A collection of cancerous cells which form cysts that contain one or more of the three primary embryonic germ layers: skin, hair or teeth. ... (27 Sep 1997) ...

sequestration dermoid
An obsolete term for epidermal cyst. ... (05 Mar 2000) ...

sequestrectomy
<procedure> Operative removal of a sequestrum. ... Synonym: sequestrotomy. ... Origin: sequestrum + G. Ektome, excision ... (05 Mar 2000) ...

sequestrotomy
Synonym for sequestrectomy ... <procedure> Operative removal of a sequestrum. ... Synonym: sequestrotomy. ... Origin: sequestrum + G. Ektome, excision ... (05 Mar 2000) ...

sequestrum
<orthopaedics, radiology> A piece of dead bone that has become separated during the process of necrosis from the sound bone. ... Sequelae of osteomyelitis, sequestrum, necrotic bone, often denser than surroundings, may be resorbed, discharged through a sinus tract, or persist as a focus of continued infection, involucrum, bone formed beneath e …

sequiviridae
<virology> A family of monopartite RNA plant viruses resembling picornaviruses and containing two genera: sequivirus and waikavirus. Transmission is by aphids or leafhoppers and requires a helper protein. ... (12 Dec 1998) ...

sequivirus
<virology> A genus of plant viruses in the family sequiviridae. Transmission is by aphids but depends on the presence of a helper protein encoded by the anthriscus yellow virus, a waikavirus. The type species is parsnip yellow fleck virus (parsnip serotype). ... (12 Dec 1998) ...

sequoiosis
<radiology> Form of extrinsic allergic alveolitis, source: redwood dust, organisms: Graphium species ... (12 Dec 1998) ...

SER
Synonym for smooth endoplasmic reticulum ... <cell biology> An internal membrane structure of the eukaryotic cell. Biochemically similar to the rough endoplasmic reticulum, but lacks the ribosome binding function. ... Tends to be tubular rather than sheet like, may be separate from the rough endoplasmic reticulum or may be an extension of it. A …

sera
Plural of serum. ... (05 Mar 2000) ...

seraglio
1. An inclosure; a place of separation. 'I went to the Ghetto, where the Jews dwell as in a suburb, by themselves. I passed by the piazza Judea, where their seraglio begins.' (Evelyn) ... 2. The palace of the Grand Seignior, or Turkish sultan, at Constantinople, inhabited by the sultan himself, and all the officers and dependents of his court. In it …

seral stages
<botany, ecology> The series of relatively transitory plant communities that develop during ecological succession from bare ground to the climax stage. ... (05 Dec 1998) ...

seralbumin
Synonym for serum albumin ... <protein> The serum level of the low molecular protein albumin. Albumin, produced by the liver, plays an important role in maintaining plasma oncotic pressure. Normal serum albumin should be 3.5-5.0 grams per decilitre. Low serum albumin can be found in cases of liver disease and malnutrition. ... (27 Sep 1997) ...

seraph
One of an order of celestial beings, each having three pairs of wings. In ecclesiastical art and in poetry, a seraph is represented as one of a class of angels. 'As full, as perfect, in vile man that mourns, As the rapt seraph that adores and burns. ... <entomology> (Pope) Seraph moth, any one of numerous species of geometrid moths of the genu …

sere
Cush (for sush) to dry, to wither, Zend hush to dry. Cf. Austere, Sorrel] Dry; withered; no longer green; applied to leaves. 'I have lived long enough; my way of life Is fall'n into the sear, the yellow leaf.' (Shak) ... Origin: OE. Seer, AS. Sear (assumed) fr. Searian to wither; akin to D. Zoor dry, LG. Soor, OHG. Soren to to wither, Gr. To parch, …

serendipity
Accidental discovery; in science, finding one thing while looking for something else, as in Fleming's discovery of penicillin. ... Origin: coined by Horace Walpole and relates to The Three Princes of Serendip, fr. Alternate spelling of Serendib, ancient name for Sri Lanka ... (05 Mar 2000) ...

serene
1. Bright; clear; unabscured; as, a serene sky. 'The moon serene in glory mounts the sky.' (Pope) 'Full many a gem of purest ray serene The dark unfathomed caves of ocean bear.' (Gray) ... 2. Calm; placid; undisturbed; unruffled; as, a serene aspect; a serene soul. ... In several countries of Europe, Serene is given as a tittle to princes and the mem …

sergeant
1. Formerly, in England, an officer nearly answering to the more modern bailiff of the hundred; also, an officer whose duty was to attend on the king, and on the lord high steward in court, to arrest traitors and other offenders. He is now called sergeant-at-arms, and two of these officers, by allowance of the sovereign, attend on the houses of Par …

Sergent, Emile
<person> French physician. ... Lived: 1867-1943. ... See: Sergent's white line, Bernard-Sergent syndrome. ... (05 Mar 2000) ...

Sergent's white line
Synonym for white line ... A pale streak appearing within 30 to 60 seconds after stroking the skin with a fingernail, and lasting for several minutes; regarded as a sign of diminished arterial tension. ... Synonym: Sergent's white line. ... (05 Mar 2000) ...

serglycin
<protein> An intracellular proteoglycan, found particularly in the storage granules of connective tissue mast cells. The core protein consists of 153 amino acids with 24 serine glycine repeats between amino acids 89 and 137, hence the name. ... The serine glycine repeats are the linkage sites for _15 glycosaminoglycan chains that are either he …

serial extraction
The selective extraction of deciduous teeth during the stage of mixed dentition in accordance with the shedding and eruption of the teeth. It is done over an extended period to allow autonomous adjustment to relieve crowding of the dental arches during the eruption of the lateral incisors, canines, and premolars, eventually involving the extraction …

serial film changer
Synonym for film changer ... A device that moves film for radiographic studies that require rapid serial X-ray exposures, such as angiography. ... Synonym: rapid film changer, serial film changer. ... (05 Mar 2000) ...

serial learning
Learning to make a series of responses in exact order. ... (12 Dec 1998) ...

serial passage
Inoculation of a series of animals or in vitro tissue with an infectious bacterium or virus, as in virulence studies and the development of vaccines. ... (12 Dec 1998) ...

serial publications
Publications in any medium issued in successive parts bearing numerical or chronological designations and intended to be continued indefinitely. (ala glossary of library and information science, 1983, p203) ... (12 Dec 1998) ...

serial radiography
Making several X-ray exposures of a single region over a period of time, as in angiography. ... (05 Mar 2000) ...

serial section
One of a number of consecutive microscopic section's. ... (05 Mar 2000) ...

seriate
In rows or whorls. ... (09 Oct 1997) ...

sericeous
Silky, covered with silky hairs. ... (09 Oct 1997) ...

sericin
<protein> A silk protein that binds thetwo strands of the raw fibre. ... (09 Oct 1997) ...

series
1. A number of things or events standing or succeeding in order, and connected by a like relation; sequence; order; course; a succession of things; as, a continuous series of calamitous events. 'During some years his life a series of triumphs.' (Macaulay) ... 2. <biology> Any comprehensive group of animals or plants including several subordina …

serine
<amino acid> Is synthesised by the body from the amino acids glycine or threonine. Its production requires adequate amounts of B-7 (niacin), B-6 and folic acid. It is needed for the metabolism of fats and fatty acids, muscle growth and a healthy immune system. It aides in the production of immunoglobulins and antibodies. It is a constituent o …

serine carboxypeptidase
<enzyme> Carboxypeptidase z (scpz gene product) isolated from absidia zychae ... Registry number: EC 3.4.16.1 ... Synonym: carboxypeptidase w, carboxypeptidase yscy, carboxypeptidase cpd-s3, ybr1015 gene product, carboxypeptidase z, scpz gene product ... (26 Jun 1999) ...

serine deaminase
Synonym for threonine dehydratase ... <enzyme> A pyridoxal-phosphate protein that catalyses the deamination of threonine to 2-ketobutyrate and ammonia. The role of this enzyme can be biosynthetic or biodegradative. In the former role it supplies 2-ketobutyrate required for isoleucine biosynthesis, while in the latter it is only involved in the …

serine dehydrase
Synonym for l-serine dehydratase ... <enzyme> An enzyme of the lyase class that catalyses the dehydration and deamination of l-serine to form pyruvate. ... Chemical name: L-Serine hydro-lyase (deaminating) ... Registry number: EC 4.2.1.13 ... (12 Dec 1998) ...

serine diazoacetate
Synonym for azaserine ... <drug> An analogue of glutamine that competitively inhibits various pathways in which glutamine is metabolised, hence an antibiotic and antitumour agent. ... (18 Nov 1997) ...

serine endopeptidase
<enzyme> Proteolytic enzyme from pronase& maise ... Registry number: EC 3.4.99.- ... Synonym: serine endopeptidase, maise ... (26 Jun 1999) ...

serine protease
<enzyme> One of a group of endoproteases from both animal and bacterial sources that share a common reaction mechanism based on formation of an acyl enzyme intermediate on a specific active serine residue. Serine proteases are all irreversibly inactivated by a series of organophosphorus esters, such as di isopropylfluorophosphate (DFP) and by …

serine protease inhibitor
A class of highly polymorphic inhibitors of trypsin, elastase, and certain other proteases synthesised by hepatocytes and macrophages ... See: a1-antitrypsin. ... Synonym: serpins. ... (05 Mar 2000) ...

serine proteinase inhibitors
Exogenous or endogenous compounds which inhibit serine proteinases. ... (12 Dec 1998) ...

serine proteinases
<enzyme> Peptide hydrolases which have an active centre histidine and serine involved in the catalytic process. This group of enzymes is inactivated by organic fluorophosphates such as diisopropylphosphofluoridate (dipf). ... Registry number: EC 3.4.21 ... (12 Dec 1998) ...

serine sulfhydrase
Synonym for cystathionine beta-synthase ... <enzyme> A multifunctional pyridoxal phosphate enzyme. In the second stage of cysteine biosynthesis it catalyses the reaction of homocysteine with serine to form cystathionine with the elimination of water. ... Chemical name: L-Serine hydro-lyase (adding homocysteine) ... Registry number: EC 4.2.1.22
serine sulfhydrolyase
<enzyme> Serine + hydrogen sulfide gives cysteine ... Registry number: EC 4.2.99.- ... (26 Jun 1999) ...

serine-glyoxylate aminotransferase
<enzyme> Pea enzyme; also uses asparagine as amino donor with either pyruvate or glyoxylate as acceptor ... Registry number: EC 2.6.1.45 ... Synonym: asparagine aminotransferase ... (26 Jun 1999) ...

serine-pyruvate aminotransferase
<enzyme> Do not confuse with alanine-glyoxylate aminotransferase (EC 2.6.1.44), even though they may be products of the same gene; index whichever is discussed or both ... Registry number: EC 2.6.1.51 ... Synonym: serine aminotransferase, serine-pyruvate transaminase ... (26 Jun 1999) ...

serine-tRNA ligase
<enzyme> An enzyme that activates serine with its specific transfer RNA. ... Chemical name: L-Serine:tRNA(Ser) ligase (AMP-forming) ... Registry number: EC 6.1.1.11 ... (12 Dec 1998) ...

seriograph
An instrument for making a series of radiographs; used, e.g., in cerebral angiography; an obsolete term for rapid film changes. ... Origin: series + G. Grapho, to write ... (05 Mar 2000) ...

seriography
The taking of a series of radiographs by means of the seriograph. ... (05 Mar 2000) ...

serioscopy
Formerly, a series of radiographs of a region taken from different directional points and later combined. ... Origin: series + G. Skopeo, to view ... (05 Mar 2000) ...

seriscission
Rarely used term denoting division of the pedicle of a tumour or other tissue by a silk ligature. ... Origin: L. Sericum, silk, + scissio, a cleaving ... (05 Mar 2000) ...

SERM
Selective Oestrogen-Receptor Modulator. ... (12 Dec 1998) ...

sermon
1. A discourse or address; a talk; a writing; as, the sermens of Chaucer. ... 2. Specifically, a discourse delivered in public, usually by a clergyman, for the purpose of religious instruction and grounded on some text or passage of Scripture. 'This our life exempt from public haunts Finds tongues in trees, books in the running brooks, Sermons in st …

sermons
Discourses for the purpose of religious instruction or exhortation, especially one based on a text of scripture and delivered by a member of the clergy, as part of a religious service. ... (12 Dec 1998) ...

sermorelin
<chemical> Human growth hormone-releasing factor(1-29)amide. The biologically active fragment of somatotropin-releasing hormone. It is used to stimulate growth in children with a growth hormone deficiency or insufficiency. ... Chemical name: Somatoliberin (human pancreatic islet), 29-L-argininamide-30-de-L-glutamine-31-de-L-glutamine-32-deglyc …

sero-
Serum, serous. ... Origin: L. Serum, whey ... (05 Mar 2000) ...

serocolitis
Synonym: pericolitis. ... Origin: Mod. L. Serosa, serous membrane, + colitis ... (05 Mar 2000) ...

seroconversion
<immunology> The change of a serologic test from negative to positive, indicating the development of antibodies in response to infection or immunisation. ... (18 Nov 1997) ...

serocystic
Relating to one or more serous cysts. ... (05 Mar 2000) ...

serodiagnosis
Diagnosis by means of a reaction using blood serum or other serous fluids in the body (serologic tests). ... (05 Mar 2000) ...

seroenteritis
Synonym: perienteritis. ... Origin: Mod. L. Serosa, serous membrane, + enteritis ... (05 Mar 2000) ...

seroepidemiologic methods
Epidemiologic studies based on the detection through serological testing of characteristic change in the serum level of specific antibodies. Latent subclinical infections and carrier states can thus be detected in addition to clinically overt cases. ... (12 Dec 1998) ...

seroepidemiology
Epidemiological study based on the detection of infection by serological testing. ... (05 Mar 2000) ...

serofast
Synonym for serum-fast ... 1. Pertaining to a serum in which there is little or no change in the titre of antibody, even under conditions of treatment or immunologic stimulation. ... 2. Resistant to the destructive effect of sera. ... Synonym: serofast. ... (05 Mar 2000) ...

serofibrinous
Denoting an exudate composed of serum and fibrin. ... (05 Mar 2000) ...

serofibrinous inflammation
Inflammation in which the exudate consists chiefly of serous fluid with an unusually large proportion of fibrin. ... (05 Mar 2000) ...

serofibrinous pleurisy
The more common form of pleurisy, characterised by a fibrinous exudate on the surface of the pleura and an extensive effusion of serous fluid into the pleural cavity. ... (05 Mar 2000) ...

serofibrous
Relating to a serous membrane and a fibrous tissue. ... (05 Mar 2000) ...

serologic
Relating to serology. ... (05 Mar 2000) ...

serologic pipette
Synonym for graduated pipette ... A pipette with a plain, narrow tube drawn out to a tip and graduated uniformly along its length. Calibration marks may be confined to the stem (Mohr pipette) or extend to the tip (serologic pipette). ... Synonym: Mohr pipette, serologic pipette. ... (05 Mar 2000) ...

serologic test
<investigation> A blood test that detects the presence of antibodies to a particular antigen (for example rheumatoid factor, HIV test). ... (27 Sep 1997) ...

serologic test for brucellosis
An blood analysis that detects the presence of antibodies against Brucella bacteria. This test may need to be repeated since the antibodies increase with duration of infection. ... (27 Sep 1997) ...

serologic tests
Diagnostic procedures involving immunoglobulin reactions. ... (12 Dec 1998) ...

serological
<immunology> Pertaining to serology. ... (28 May 1998) ...

serology
<immunology, investigation> A blood test that detects the presence of antibodies to a particular antigen (for example rheumatoid factor, HIV test). ... (28 May 1998) ...

seroma
A mass or tumefaction caused by the localised accumulation of serum within a tissue or organ. ... Origin: sero-+ G. -oma, tumour ... (05 Mar 2000) ...

seromembranous
Relating to a serous membrane. ... (05 Mar 2000) ...

seromucoid
General term for a mucoprotein (glycoprotein) from serum. ... (05 Mar 2000) ...

seromucous
Pertaining to a mixture of watery and mucinous material, such as that of certain glands. ... (05 Mar 2000) ...

seromucous cells
Synonym for mucoserous cells ... Glandular cell's intermediate in histologic characteristics between serous and mucous cell's. ... Synonym: mucoalbuminous cells, seromucous cells. ... (05 Mar 2000) ...

seromucous gland
A gland in which some of the secretory cells are serous and some mucous, a gland whose cells secrete a fluid intermediate between a watery and a viscous mucoid substance. ... Synonym: glandula seromucosa. ... (05 Mar 2000) ...

seromyotomy
<procedure> Incision in the wall of a hollow viscus that involves the serosa and muscularis but not the mucosa. ... Origin: serosa 1. + G. Mys, muscle, + tome, a cutting ... (05 Mar 2000) ...

seronegative
Lacking an antibody of a specific type in serum; used to mean absence of prior infection with a specific agent (e.g., rubella virus), disappearance of antibodies after treatment of a disease (e.g., syphilis), or absence of antibody usually found in a given syndrome (e.g., rheumatoid arthritis without rheumatoid factor). ... (05 Mar 2000) ...

seropositive
<epidemiology> N., an individual whose serotype suggests that they have experienced infection in the past. ... (05 Dec 1998) ...

seroprevalence
<immunology, investigation> The rate at which a given population tests positive on the ELISA test for particular antibodies. ... For HIV, the seroprevalence rate is nearly the same as the rate of HIV infection in a given population, leaving out mainly those who were recently infected. ... (28 May 1998) ...

seropurulent
Composed of or containing both serum and pus; denoting a discharge of thin watery pus (seropus). ... (05 Mar 2000) ...

seropus
Purulent serum, i.e., pus largely diluted with serum. ... (05 Mar 2000) ...

seroreversion
A loss in serological reactivity; may be spontaneous or in response to therapy. ... (05 Mar 2000) ...

serosa
Synonym for serous membrane ... <anatomy, pathology> One of the delicate membranes of connective tissue which line the internal cavities of the body. ... Synonym: serosa. ... (28 May 1998) ...

serosa of colon
Serous coat of the colon; the visceral peritoneum of the large intestine. ... Synonym: tunica serosa coli. ... (05 Mar 2000) ...

serosa of gallbladder
Serous coat of the gallbladder; the visceral peritoneum covering the portions of the gallbladder not in direct contact with the liver. ... Synonym: tunica serosa vesicae biliaris, tunica serosa vesicae felleae. ... (05 Mar 2000) ...

serosa of liver
Serous coat of the liver; peritoneal covering of the liver, enclosing almost all except for a triangular area on its posterior surface, (the 'bare area of the liver') and a smaller area where the liver and gallbladder are in direct contact. ... Synonym: tunica serosa hepatis. ... (05 Mar 2000) ...

serosa of small intestine
Serous coat of the small intestine; the peritoneal covering of the external surface of the small intestine. ... Synonym: tunica serosa intestini tenuis. ... (05 Mar 2000) ...

serosa of stomach
Serous coat of the stomach; the visceral peritoneum covering the outer surface of the stomach. ... Synonym: tunica serosa gastrica, tunica serosa ventriculi. ... (05 Mar 2000) ...

serosa of urinary bladder
Serous coat of the urinary bladder; the visceral peritoneum covering the roof and lateral walls of the urinary bladder. ... Synonym: tunica serosa vesicae urinariae. ... (05 Mar 2000) ...

serosa of uterine tube
Serous coat of the uterine tube; the visceral peritoneum forming the outer surface of the uterine tubes. ... Synonym: tunica serosa tubae uterinae. ... (05 Mar 2000) ...

serosa of uterus
Serous coat of uterus; the visceral peritoneum covering the fundus and posterior body of the uterus. ... Synonym: tunica serosa uteri. ... (05 Mar 2000) ...

serosamucin
Mucoid material found in serous fluids, e.g., in ascitic or synovial fluid. ... (05 Mar 2000) ...

serosanguineous
Denoting an exudate or a discharge composed of or containing serum and also blood. ... (05 Mar 2000) ...