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

sputtering yield
<radiobiology> Number of target particles sputtered per incident particle, varies with target and plasma species and energy. ... (09 Oct 1997) ...

sputum
Matter ejected from the lungs, bronchi and trachea, through the mouth. ... (18 Nov 1997) ...

sputum aerogenosum
A green expectoration seen occasionally in jaundice, due to staining of the sputum by bile pigments. ... Synonym: green sputum. ... (05 Mar 2000) ...

sputum analysis
A method of detecting certain infections (especially tuberculosis) by culturing of sputum, the mucus matter that collects in the respiratory and upper digestive passages and is expelled by coughing. ... (09 Oct 1997) ...

sputum culture
The incubation of expectorated material for the purpose of identifying a bacterial contaminant. Sputum cultures can assist the physician in appropriate antibiotic choice for the treatment of pneumonia or bronchitis. ... (27 Sep 1997) ...

sputum for acid-fast organisms
A special microscopic slide that is prepared to detect the presence of acid-fast bacilli. The diagnosis of tuberculosis can be made using this test. If the sputum specimen shows the acid fast organism a sputum culture (for Mycobacterium) is then performed. ... (27 Sep 1997) ...

sputum smear
Synonym for lower respiratory tract smear ... A group of cytologic specimens containing material from the lower respiratory tract and consisting mainly of sputum (spontaneous, induced) and material obtained at bronchoscopy (aspirated, lavaged, brushed); used for cytologic study of cancer and other diseases of the lungs. ... Synonym: bronchoscopic sme …

spy
Origin: See Spy, and cf. Espy. ... 1. One who keeps a constant watch of the conduct of others. 'These wretched spies of wit.' ... 2. A person sent secretly into an enemy's camp, territory, or fortifications, to inspect his works, ascertain his strength, movements, or designs, and to communicate such intelligence to the proper officer. Spy money, mone …

SQ
<abbreviation> Subcutaneous. ... (05 Mar 2000) ...

sq-18506
<chemical> Trans-5-amino-3-(2-(5-nitro-2-furyl)vinyl)- 1,2,4-oxadiazole. A nitrovinyl furan used as a schistosomicidal agent and proposed for trypanosomiasis, especially chagas disease. ... Pharmacological action: schistosomicides, trypanocidal agents. ... Chemical name: 1,2,4-Oxadiazol-5-amine, 3-(2-(5-nitro-2-furanyl)ethenyl)-, (E)- ... (12 De …

squab
1. Fat; thick; plump; bulky. 'Nor the squab daughter nor the wife were nice.' (Betterton) ... 2. Unfledged; unfeathered; as, a squab pigeon. ... Origin: Cf. Dial. Sw. Sqvabb a soft and fat body, sqvabba a fat woman, Icel. Kvap jelly, jellylike things, and and E. Quab. ... 1. <zoology> A neatling of a pigeon or other similar bird, especially. Whe …

squalene
<chemical> Chemical name: 2,6,10,14,18,22-Tetracosahexaene, 2,6,10,15,19,23-hexamethyl-, (all-E)- ... (12 Dec 1998) ...

squalene cyclase
<enzyme> Nonoxidative conversion of squalene to tetrahymenol; does not go via 2,3-oxidosqualene ... Registry number: EC 4.- ... Synonym: squalene-tetrahydromanol cyclase ... (26 Jun 1999) ...

squalene epoxidase
<enzyme> An enzyme that catalyses the conversion of squalene to squalene 2,3-oxide in the endoplasmic reticulum; a required step in order for cyclization to occur, resulting in the synthesis of the first sterol, lanosterol, in steroidogenesis; uses NADPH. ... (05 Mar 2000) ...

squalene epoxidase-cyclase
<chemical> Consists of squalene epoxidase (EC 1.14.99.7) plus 2,3-oxidosqualene lanosterol-cyclase (EC 5.4.99.7) ... Chemical name: squalene-2,3-oxide lanosterol cyclase ... (26 Jun 1999) ...

squalene synthase
<enzyme> An enzyme that catalyses the formation of squalene from two molecules of farnesylpyrophosphate using NADPH and concomitant production of two molecules of pyrophosphate. ... (05 Mar 2000) ...

squalene synthetase
<enzyme> Catalyses the rearrangement and reduction of the cyclopropane compound, presqualene pyrophosphate to form squalene, with NADPH as the coenzyme. ... Registry number: EC 1.3.- ... (12 Dec 1998) ...

squalene-hopene cyclase
<enzyme> From bacillus acidocaldarius; cyclises squalene into hopanoid triterpenes ... Registry number: EC 5.4.99.- ... Synonym: shc gene product ... (26 Jun 1999) ...

squama frontalis
Synonym for squamous part of frontal bone ... The broad curved portion of the frontal bone forming the forehead. ... Synonym: squama frontalis. ... (05 Mar 2000) ...

squama occipitalis
Synonym for squamous part of occipital bone ... The tabular or squamous portion of occipital bone. ... Synonym: squama occipitalis, occipital squama, frontal squama. ... (05 Mar 2000) ...

squama temporalis
Synonym for squamous part of temporal bone ... The broad, flat, thin (scale-like) anterior and superior portion of the temporal bone forming part of the lateral wall of the cranial vault. ... Synonym: pars squamosa ossis temporalis, squama temporalis, temporal squama. ... (05 Mar 2000) ...

squamate
Synonym for squamous ... Scaly or platelike. ... Origin: L. Squamosus = scaly ... (18 Nov 1997) ...

squamatization
Transformation of other types of cells into squamous cells. ... (05 Mar 2000) ...

squames
Flat, keratinised, dead cells shed from the outermost layer of a stratified squamous epithelium. ... (18 Nov 1997) ...

squamipen
Origin: L. Squama a scale + penna a fin: cf. F. Squamipenne. ... <zoology> Any one of a group of fishes having the dorsal and anal fins partially covered with scales. ... They are compressed and mostly, bright-coloured tropical fishes, belonging to Chaetodon and allied genera. Many of them are called soral fishes, and angel fishes. ... Source: W …

squamo-
Squama, squamous. ... Origin: L. Squama, a scale ... (05 Mar 2000) ...

squamo-occipital
Relating to the squamous portion of the occipital bone, developing partly in membrane and partly in cartilage. ... (05 Mar 2000) ...

squamocellular
Relating to or having squamous epithelium. ... (05 Mar 2000) ...

squamocolumnar
Pertaining to the junction between a stratified squamous epithelial surface and one lined by columnar epithelium; e.g., the cardia of the stomach or anus. ... (05 Mar 2000) ...

squamocolumnar junction
The site of transition from stratified squamous epithelium to columnar epithelium, usually characterised by stratified columnar epithelium. ... (05 Mar 2000) ...

squamofrontal
Relating to the squamous part of the frontal bone. ... (05 Mar 2000) ...

squamomastoid
Relating to the squamous and petrous portions of the temporal bone. ... (05 Mar 2000) ...

squamomastoid suture
Line of union of the squamous and petrous portions of the temporal bone during development; it sometimes persists in the region of the mastoid process. ... Synonym: sutura squamosomastoidea. ... (05 Mar 2000) ...

squamoparietal
Relating to the parietal bone and the squamous portion of the temporal bone. ... (05 Mar 2000) ...

squamoparietal suture
The articulation of the parietal with the squamous portion of the temporal bone. ... Synonym: sutura squamosa. ... (05 Mar 2000) ...

squamopetrosal
Synonym for petrosquamosal ... Petrosquamous ... Relating to the petrous and the squamous portions of the temporal bone. ... Synonym: squamopetrosal. ... (05 Mar 2000) ...

squamosa
The squamous parts of the frontal, occipital, or temporal bone, especially the latter. ... Origin: L. Squamosus, scaly, fr. Squama, scale ... (05 Mar 2000) ...

squamosphenoid
Relating to the sphenoid bone and the squamous part of the temporal bone. ... Synonym: sphenosquamosal. ... (05 Mar 2000) ...

squamotemporal
Relating to the squamous part of the temporal bone. ... (05 Mar 2000) ...

squamotympanic
Synonym for tympanosquamosal ... Relating to the tympanic and squamous parts of the temporal bone. ... Synonym: squamotympanic. ... (05 Mar 2000) ...

squamotympanic fissure
The fissure separating the tympanic part of the temporal bone from the squamous part; it is continuous medially with the petrotympanic fissure and the petrosquamous fissure. ... Synonym: fissura tympanosquamosa, tympanosquamous fissure. ... (05 Mar 2000) ...

squamous
Scaly or platelike. ... Origin: L. Squamosus = scaly ... (18 Nov 1997) ...

squamous alveolar cells
Highly attentuated squamous cell's that form the gas-permeable epithelium lining the alveoli of the lungs. ... Synonym: type I cells. ... (05 Mar 2000) ...

squamous border
Edge of a bone which articulates with the squamous part of the temporal bone. ... See: squamous border of parietal bone, squamous border of sphenoid bone. ... Synonym: margo squamosus, squamous margin. ... (05 Mar 2000) ...

squamous border of parietal bone
The lateral border of the parietal bone that articulates with the squamous part of the temporal bone. ... Synonym: margo squamosus ossis parietalis. ... (05 Mar 2000) ...

squamous border of sphenoid bone
The margin of the greater wing of the sphenoid bone that articulates with the squamous part of the temporal bone. ... Synonym: margo squamosus ossis sphenoidalis. ... (05 Mar 2000) ...

squamous cell
<dermatology, pathology> Flat thin cells found in the outer layer of the skin. ... (13 Nov 1997) ...

squamous cell carcinoma
<oncology, tumour> A malignant growth originating from a squamous cell. This form of cancer can be seen on the skin, lips, inside the mouth, throat or oesophagus. ... (27 Sep 1997) ...

squamous cell hyperplasia
Increase in the number of cells in a squamous epithelium. ... Synonym: hypertrophic dystrophy. ... (05 Mar 2000) ...

squamous cells
Flat cells that look like fish scales; they make up most of the epidermis, the outer layer of the skin. ... (12 Dec 1998) ...

squamous epithelium
<pathology> An epithelium in which the cells are flattened. May be simple (e.g. Endothelium) or stratified (e.g. Epidermis). ... (18 Nov 1997) ...

squamous intraepithelial lesion
A general term for the abnormal growth of squamous cells on the surface of the cervix. The changes in the cells are described as low grade or high grade, depending on how much of the cervix is affected and how abnormal the cells are. Also called sil. ... (12 Dec 1998) ...

squamous margin
Synonym for squamous border ... Edge of a bone which articulates with the squamous part of the temporal bone. ... See: squamous border of parietal bone, squamous border of sphenoid bone. ... Synonym: margo squamosus, squamous margin. ... (05 Mar 2000) ...

squamous metaplasia
The transformation of glandular or mucosal epithelium into stratified squamous epithelium. ... Synonym: epidermalization. ... (05 Mar 2000) ...

squamous metaplasia of amnion
Synonym for amnion nodosum ... Nodules in the amnion that consist of typical stratified squamous epithelium. ... Synonym: squamous metaplasia of amnion. ... (05 Mar 2000) ...

squamous odontogenic tumour
A benign epithelial odontogenic tumour thought to arise from the epithelial cell rests of Malassez; appears clinically as a radiolucent lesion closely associated with the tooth root and histologically as islands of squamous epithelium enclosed by a peripheral layer of flattened cells. ... (05 Mar 2000) ...

squamous part of frontal bone
The broad curved portion of the frontal bone forming the forehead. ... Synonym: squama frontalis. ... (05 Mar 2000) ...

squamous part of occipital bone
The tabular or squamous portion of occipital bone. ... Synonym: squama occipitalis, occipital squama, frontal squama. ... (05 Mar 2000) ...

squamous part of temporal bone
The broad, flat, thin (scale-like) anterior and superior portion of the temporal bone forming part of the lateral wall of the cranial vault. ... Synonym: pars squamosa ossis temporalis, squama temporalis, temporal squama. ... (05 Mar 2000) ...

squamous pearl
Synonym for keratin pearl ... A focus of central keratinization within concentric layers of abnormal squamous cells; seen in squamous cell carcinoma. ... Synonym: epithelial nest, epithelial pearl, squamous pearl. ... (05 Mar 2000) ...

squamous suture
A scalelike suture, one whose opposing margins are scalelike and overlapping. ... Synonym: sutura squamosa. ... (05 Mar 2000) ...

square
1. <geometry> The corner, or angle, of a figure. A parallelogram having four equal sides and four right angles. ... 2. Hence, anything which is square, or nearly so; as: A square piece or fragment. 'He bolted his food down his capacious throat in squares of three inches.' (Sir W. Scott) ... A pane of glass. ... One hundred superficial feet. ... 3 …

square matrix
A matrix in which the numbers of rows and columns are equal. ... (05 Mar 2000) ...

square wave stimuli
Electrical stimulation in which the intensity of the current is brought suddenly to a given level and maintained at that level until it suddenly is cut off; this type of stimulus is particularly useful in obtaining a strength-duration curve. ... (05 Mar 2000) ...

squarrose
1. <zoology> Ragged or full of lose scales or projecting parts; rough; jagged; as having scales spreading every way, or standing upright, or at right angles to the surface; said of a shell. ... 2. <botany> Squarrose-slashed, doubly slashed, with the smaller divisions at right angles to the others, as a leaf. ... Origin: L. Squarrosus (per …

squash
<zoology> An American animal allied to the weasel. ... Origin: Cf. Musquash. ... <botany> A plant and its fruit of the genus Cucurbita, or gourd kind. ... The species are much confused. The long-neck squash is called Cucurbita verrucosa, the Barbary or China squash, C. Moschata, and the great winter squash, C. Maxima, but the distinctions …

squat
<zoology> The angel fish (Squatina angelus). ... 1. The posture of one that sits on his heels or hams, or close to the ground. ... 2. A sudden or crushing fall. ... 3. <chemical> A small vein of ore. A mineral consisting of tin ore and spar. ... 4. <zoology> Squat snipe, the jacksnipe; called also squatter. ... (10 Mar 1998) ...

squatter
1. One who squats; specifically, one who settles unlawfully upon land without a title. In the United States and Australia the term is sometimes applied also to a person who settles lawfully upon government land under permission and restrictions, before acquiring title. 'In such a tract, squatters and trespassers were tolerated to an extent now unkn …

squaw
<ethnology> A female; a woman; in the language of Indian tribes of the Algonquin family, correlative of sannup. ... Origin: Massachusetts Indian squa, eshqua; Narragansett squaws; Delaware ochqueu, and khqueu; used also in compound words (as the names of animals) in the sense of female. ... (10 Mar 1998) ...

squawk
To utter a shrill, abrupt scream; to squeak harshly. ... <zoology> Squawking thrush, the missel turush; so called from its note when alarmed. ... 1. Act of squawking; a harsh squeak. ... 2. <zoology> The American night heron. ... 3. <zoology> Squawk duck, the bimaculate duck (Anas glocitans). It has patches of reddish brown behind, an …

squawweed
<botany> The golden ragwort. ... (10 Mar 1998) ...

squeak
1. To utter a sharp, shrill cry, usually of short duration; to cry with an acute tone, as an animal; or, to make a sharp, disagreeable noise, as a pipe or quill, a wagon wheel, a door; to creak. 'Who can endure to hear one of the rough old Romans squeaking through the mouth of an eunuch?' (Addison) 'Zoilus calls the companions of Ulysses the 'squea …

squeamish
Having a stomach that is easily or nauseated; hence, nice to excess in taste; fastidious; easily disgusted; apt to be offended at trifling improprieties. 'Quoth he, that honor's very squeamish That takes a basting for a blemish.' (Hudibras) 'His muse is rustic, and perhaps too plain The men of squeamish taste to entertain.' (Southern) 'So ye grow s …

squeteague
<zoology> An American sciaenoid fish (Cynoscion regalis), abundant on the Atlantic coast of the United States, and much valued as a food fish. It is of a bright silvery colour, with iridescent reflections. Called also weakfish, squitee, chickwit, and sea trout. The spotted squeteague (C. Nebulosus) of the Southern United States is a similar f …

squib
1. A little pipe, or hollow cylinder of paper, filled with powder or combustible matter, to be thrown into the air while burning, so as to burst there with a crack. 'Lampoons, like squibs, may make a present blaze.' (Waller) 'The making and selling of fireworks, and squibs . . . Is punishable.' (Blackstone) ... 2. <chemical> A kind of slow mat …

squid
1. <zoology> Any one of numerous species of ten-armed cephalopods having a long, tapered body, and a caudal fin on each side; especially, any species of Loligo, Ommastrephes, and related genera. See Calamary, Decacerata, Dibranchiata. ... Some of these squids are very abundant on the Atlantic coast of North America, and are used in large quant …

squid giant axon
<physiology> Large axons, up to 1mm in diameter, that innervate the mantle of the squid. Because of their large size, many of the pioneering investigations of the mechanisms underlying resting and action potentials in excitable cells were done on these fibres. ... (10 Mar 1998) ...

squidulin
<protein> Calcium binding protein from the optic lobe of squid, which contains the EF hand motif. ... (18 Nov 1997) ...

squill
1. <botany> A European bulbous liliaceous plant (Urginea, formerly Scilla, maritima), of acrid, expectorant, diuretic, and emetic properties used in medicine. Called also sea onion. Any bulbous plant of the genus Scilla; as, the bluebell squill (S. Mutans). ... 2. <zoology> A squilla. A mantis. ... Origin: F. Squille (also scille a squill …

squilla
<zoology> Any one of numerous stomapod crustaceans of the genus Squilla and allied genera. They make burrows in mud or beneath stones on the seashore. Called also mantis shrimp. ... Origin: L, a sea onion, also, a prawn or shrimp. ... (10 Mar 1998) ...

squinancy
1. The quinsy. ... 2. <botany> A European perennial herb (Asperula cynanchica) with narrowly linear whorled leaves; formerly thought to cure the quinsy. Also called quincewort. Squinancy berries, black currants; so called because used to cure the quinsy. ... Origin: F. Esquinancie, OF. Squinance, esquinance. See Quinsy. ... Source: Websters Dict …

squinsy
Synonym for quinsy ... <otolaryngology> An inflammation of the throat, or parts adjacent, especially of the fauces or tonsils, attended by considerable swelling, painful and impeded deglutition, and accompanied by inflammatory fever. It sometimes creates danger of suffocation. ... Synonym: squinancy, and squinzey. ... Origin: Contr. Fr. Squinanc …

squint
1. <ophthalmology> To see or look obliquely, asquint, or awry, or with a furtive glance. Specifically, not having the optic axes coincident; said of the eyes. To have the axes of the eyes not coincident; to be cross-eyed. ... 2. To deviate from a true line; to run obliquely. ... Synonym: strabismus. ... Origin: Cf. D. Schuinte a slope, schuin, s …

squint hook
A surgical instrument used to lift ocular muscles. ... (05 Mar 2000) ...

squinting eye
The eye, in cases of strabismus, that is not directed toward the object of regard. ... (05 Mar 2000) ...

squinzey
Synonym for quinsy ... <otolaryngology> An inflammation of the throat, or parts adjacent, especially of the fauces or tonsils, attended by considerable swelling, painful and impeded deglutition, and accompanied by inflammatory fever. It sometimes creates danger of suffocation. ... Synonym: squinancy, and squinzey. ... Origin: Contr. Fr. Squinanc …

squire
1. A shield-bearer or armor-bearer who attended a knight. ... 2. A title of dignity next in degree below knight, and above gentleman. See Esquire. 'His privy knights and squires.' ... 3. A male attendant on a great personage; also, a devoted attendant or follower of a lady; a beau. ... 4. A title of office and courtesy. See Esquire. ... Origin: Aphetic …

squirrel
1. <zoology> Any one of numerous species of small rodents belonging to the genus Sciurus and several allied genera of the famly Sciuridae. Squirrels generally have a bushy tail, large erect ears, and strong hind legs. They are commonly arboreal in their habits, but many species live in burrows. ... Among the common North American squirrels are …

squirrel plague conjunctivitis
One of the causes of Parinaud's conjunctivitis. ... Synonym: tularaemic conjunctivitis, conjunctivitis tularensis. ... (05 Mar 2000) ...

squirrel porphyria
Porphyria as an apparently normal metabolic state seen in the Florida fox squirrel (Sciurus niger). ... (05 Mar 2000) ...

squirt
To drive or eject in a stream out of a narrow pipe or orifice; as, to squirt water. 'The hard-featured miscreant coolly rolled his tobacco in his cheek, and squirted the juice into the fire grate.' (Sir W. Scott) Squirting cucumber. ... <botany> See Ecballium. ... Origin: Cf. LG. Swirtjen to squirt, OSw. Sqvatta, E. Squander. ... Source: Webster …

Sr
Symbol for strontium. ... (05 Mar 2000) ...

srawls
<botany> Small branches of a tree; twigs; sprays. ... (10 Mar 1998) ...

src
<molecular biology> The transforming (sarcoma inducing) gene of Rous sarcoma virus. The protein product is pp60vsrc, a cytoplasmic protein with tyrosine specific protein kinase activity, that associates with the cytoplasmic face of the plasma membrane. ... (12 Jan 1998) ...

src homology domains
Regions of sequence similarity in the src family of cytoplasmic tyrosine kinases. The sh1 domain is a catalytic domain. Sh2 and sh3 domains are protein-binding domains. Sh2 usually binds phosphotyrosine-containing proteins and sh3 interacts with cytoskeletal proteins. ... (12 Dec 1998) ...

src-family kinases
<enzyme> Family of non-receptor protein-tyrosine kinases homologous to src. They are closely related intracellular enzymes that participate in signal transduction pathways in a variety of haemopoietic cells and especially their surface receptors. ... Registry number: EC 2.7.1.- ... (12 Dec 1998) ...

src-related intestinal kinase
<enzyme> An intracellular epithelial cell tyrosine kinase; shares 80% homology with human tyrosine kinase brk; has 451 amino acid residues; amino acid sequence given in first source ... Registry number: EC 2.7.1.- ... Synonym: sik protein, sik gene product ... (26 Jun 1999) ...

SRF
<abbreviation> Somatotropin-releasing factor. ... (05 Mar 2000) ...

SRF-A
<abbreviation> Slow-reacting factor of anaphylaxis. ... (05 Mar 2000) ...

SRH
<abbreviation> Somatotropin-releasing hormone. ... (05 Mar 2000) ...