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


scorbutic
Relating to, suffering from, or resembling scurvy (scorbutus). ... (05 Mar 2000) ...

scorbutic anaemia
Anaemia occurring in patients with scurvy, usually due to coincident nutritional deficiency; e.g., the 'megaloblastic anaemia of scurvy' is due to concomitant folic acid deficiency. ... (05 Mar 2000) ...

scorbutigenic
Scurvy-producing. ... (05 Mar 2000) ...

scorch
1. To be burnt on the surface; to be parched; to be dried up. 'Scatter a little mungy straw or fern amongst your seedlings, to prevent the roots from scorching.' (Mortimer) ... 2. To burn or be burnt. 'he laid his long forefinger on the scarlet letter, which forthwith seemed to scoch into Hester's breast, as if it had been red hot.' (Hawthorne) ... 1 …

scordinema
Heaviness of the head with yawning and stretching, occurring as a prodrome of an infectious disease. ... Origin: G. Skordinema, yawning ... (05 Mar 2000) ...

score
1. A notch or incision; especially, one that is made as a tally mark; hence, a mark, or line, made for the purpose of account. 'Whereas, before, our forefathers had no other books but the score and the tally, thou hast caused printing to be used.' (Shak) ... 2. An account or reckoning; account of dues; bill; hence, indebtedness. 'He parted well, and …

score, apgar
A practical method to assess a newborn infant, the Apgar score is a number arrived at by scoring the heart rate, respiratory effort, muscle tone, skin colour, and response to a catheter in the nostril. Each of these objective signs can receive 0, 1, or 2 points. An apgar score of 10 means an infant is in the best possible condition. The apgar score …

scorpio
Origin: L. ... 1. <zoology> A scorpion. ... 2. <astronomy> The eighth sign of the zodiac, which the sun enters about the twenty-third day of October, marked thus [<scorpio/] in almanacs. A constellation of the zodiac containing the bright star Antares. It is drawn on the celestial globe in the figure of a scorpion. ... Source: Websters …

scorpioid
Of a cymose inflorescence, branching alternately on one side and then the other. ... Compare: helicoid. ... (09 Oct 1997) ...

scorpion
1. <zoology> Any one of numerous species of pulmonate arachnids of the order scorpiones, having a suctorial mouth, large claw-bearing palpi, and a caudal sting. ... Scorpions have a flattened body, and a long, slender post-abdomen formed of six movable segments, the last of which terminates in a curved venomous sting. The venom causes great pa …

scorpion venoms
Venoms from animals of the order scorpionida of the class arachnida. They contain neuro- and haemotoxins, enzymes, and various other factors that may release acetylcholine and catecholamines from nerve endings. Of the several protein toxins that have been characterised, most are immunogenic. ... (12 Dec 1998) ...

Scorpionida
The scorpions; an order of venomous, predaceous, arachnid arthropods characterised by a distinctly segmented bony abdomen terminating in a sharply recurved stinging spine equipped with a poison gland; causes a severely painful but rarely fatal sting. North American genera include Centruroides, Hadrurus, and Vejovis. ... Origin: Mod. L. ... (05 Mar 20 …

scorpions
Arthropods of the order scorpiones, of which 1500 to 2000 species have been described. The most common live in tropical or subtropical areas. They are noctural and feed principally on insects and other arthropods. They are large arachnids but do not attack man spontaneously. They have a venomous sting. Their medical significance varies considerably …

Scotch cramp
Synonym for recurrent tetany ... A simple autosomal recessive trait in Scottish terrier dogs, characterised by arching of the back and a stiff-legged gait due to overflexed hindlimbs and abducted forelimbs. ... Synonym: Scotch cramp. ... (05 Mar 2000) ...

scoter
<zoology> Any one of several species of northern sea ducks of the genus Oidemia. ... The European scoters are Oidemia nigra, called also black duck, black diver, surf duck; and the velvet, or double, scoter (O. Fusca). The common American species are the velvet, or white-winged, scoter (O. Deglandi), called also velvet duck, white-wing, bull c …

scoto-
Darkness. ... Origin: G. Skotos ... (05 Mar 2000) ...

scotochromogens
Synonym: group II mycobacteria. ... Origin: scoto-+ G. Chroma, colour, + -gen, producing ... (05 Mar 2000) ...

scotoma
1. An area of lost or depressed vision within the visual field, surrounded by an area of less depressed or of normal vision. ... 2. Mental scotoma ... Origin: Gr. Skotoma ... (18 Nov 1997) ...

scotomata
Plural of scotoma. ... (05 Mar 2000) ...

scotomatous
Relating to scotoma. ... (05 Mar 2000) ...

scotometer
An instrument for determining the size, shape, and intensity of a scotoma. ... (05 Mar 2000) ...

scotometry
The plotting and measuring of a scotoma. ... Origin: scoto-+ G. Metron, measure ... (05 Mar 2000) ...

scotophilia
Synonym: nyctophilia. ... Origin: scoto-+ G. Philos, fond ... (05 Mar 2000) ...

scotophobia
Synonym: nyctophobia. ... Origin: scoto-+ G. Phobos, fear ... (05 Mar 2000) ...

scotopia
Synonym: scotopic vision. ... Origin: scoto-+ G. Opsis, vision ... (05 Mar 2000) ...

scotopic
Referring to low illumination to which the eye is dark-adapted. ... See: scotopic vision. ... (05 Mar 2000) ...

scotopic adaptation
Synonym for dark adaptation ... The adjustment of the eye occurring under reduced illumination in which the sensitivity to light is greatly increased or the light threshold is greatly reduced. ... Dark adaptation is slower than light adaptation. During dark adaptation rhodopsin is built up in the retinal rods. ... (12 Dec 1998) ...

scotopic eye
Synonym for dark-adapted eye ... An eye that has been in darkness or semidarkness and has undergone regeneration of rhodopsin (visual purple), which renders it more sensitive to reduced illumination. ... Synonym: scotopic eye. ... (05 Mar 2000) ...

scotopic perimetry
Perimetry of a dark-adapted eye. ... (05 Mar 2000) ...

scotopic vision
Vision when the eye is dark-adapted. ... See: dark adaptation, dark-adapted eye. ... Synonym: night vision, rod vision, scotopia, twilight vision. ... (05 Mar 2000) ...

scotopsin
The protein moiety of the pigment in the rods of the retina. ... (05 Mar 2000) ...

scotoscopy
Synonym: retinoscopy. ... Origin: scoto-+ G. Skopeo, to view ... (05 Mar 2000) ...

Scott operation
A jejunoileal bypass for morbid obesity utilizing end-to-end anastomosis of the upper jejunum to the terminal ileum, with the bypassed intestine closed proximally and anastomosed distally to the colon. ... (05 Mar 2000) ...

Scott-Wilson reagent
An alkaline solution of mercuric cyanide and silver nitrate used in the detection of acetone. ... (05 Mar 2000) ...

Scott-Wilson, H
<person> English scientist. ... See: Scott-Wilson reagent. ... (05 Mar 2000) ...

Scott, Charles Jr
<person> U.S. Paediatrician, *1934. ... See: Aarskog-Scott syndrome. ... (05 Mar 2000) ...

Scott, H William
<person> U.S. Surgeon, *1916. ... See: Scott operation. ... (05 Mar 2000) ...

scotty dog
<radiology> Seen on oblique views of lumbar spine, EYE pedicle, NOSE transverse process, EAR superior articular facet, NECK pars interarticularis, FOOT inferior articular facet ... (12 Dec 1998) ...

scour
1. To rub hard with something rough, as sand or Bristol brick, especially for the purpose of cleaning; to clean by friction; to make clean or bright; to cleanse from grease, dirt, etc, as articles of dress. ... 2. To purge; as, to scour a horse. ... 3. To remove by rubbing or cleansing; to sweep along or off; to carry away or remove, as by a current …

scourge
1. A lash; a strap or cord; especially, a lash used to inflict pain or punishment; an instrument of punishment or discipline; a whip. 'Up to coach then goes The observed maid, takes both the scourge and reins.' (Chapman) ... 2. Hence, a means of inflicting punishment, vengeance, or suffering; an infliction of affliction; a punishment. 'Sharp scourge …

scours
Neonatal diarrhoea in ruminants. ... Origin: M.E. Scuren, to rush ... Calf scours, a diarrhoeal disease of newborn calves caused by several different enteropathogens, particularly the bacterium Escherichia coli; two syndromes are recognised, acute disease characterised by dehydration and rapid death and subacute disease characterised by persistent di …

scout
To reject with contempt, as something absurd; to treat with ridicule; to flout; as, to scout an idea or an apology. 'Flout 'em and scout 'em.' ... Origin: Icel. Skta a taunt; cf. Icel. Skuta to jut out, skota to shove, skjta to shoot, to shove. See Shoot. ... (01 Mar 1998) ...

scout film
A radiograph exposed before contrast medium is given, such as the preliminary film for an angiogram, urogram, or barium contrast gastrointestinal examination. ... Synonym: scout radiograph. ... (05 Mar 2000) ...

scout radiograph
Synonym for scout film ... A radiograph exposed before contrast medium is given, such as the preliminary film for an angiogram, urogram, or barium contrast gastrointestinal examination. ... Synonym: scout radiograph. ... (05 Mar 2000) ...

scrabble
1. To scrape, paw, or scratch with the hands; to proceed by clawing with the hands and feet; to scramble; as, to scrabble up a cliff or a tree. 'Now after a while Little-faith came to himself, and getting up made shift to scrabble on his way.' (Bunyan) ... 2. To make irregular, crooked, or unmeaning marks; to scribble; to scrawl. 'David . . . Scrabb …

scrag
1. Something thin, lean, or rough; a bony piece; especially, a bony neckpiece of meat; hence, humorously or in contempt, the neck. 'Lady MacScrew, who . . . Serves up a scrag of mutton on silver.' (Thackeray) ... 2. A rawboned person. ... 3. A ragged, stunted tree or branch. ... <zoology> Scrag whale, a North Atlantic whalebone whale (Agaphelus …

scrape
1. To rub over the surface of (something) with a sharp or rough instrument; to rub over with something that roughens by removing portions of the surface; to grate harshly over; to abrade; to make even, or bring to a required condition or form, by moving the sharp edge of an instrument breadthwise over the surface with pressure, cutting away excesse …

scrape-off layer
<radiobiology> Outer layer of a plasma which is affected (scraped off) by a divertor or limiter. That is, the outer layer of a magnetically confined plasma (ca. 2 cm thick) where the field lines penetrate a material surface (limiter or divertor plate) rather than close upon themselves. This region defines the outer limit of the plasma because …

scrapie
A chronic neurological disease of sheep and goats, similar to other spongiform encephalopathies and much used as a model for studying the diseases. Controversy still surrounds the nature of the transmissible agent slow viruses are proposed by some workers, prions by an increasing number of others. ... (18 Nov 1997) ...

scratch
1. A break in the surface of a thing made by scratching, or by rubbing with anything pointed or rough; a slight wound, mark, furrow, or incision. 'The coarse file . . . Makes deep scratches in the work.' (Moxon) 'These nails with scratches deform my breast.' (Prior) 'God forbid a shallow scratch should drive The prince of Wales from such a field as …

scratch reflex
In dogs, stimulus applied to the skin of a saddle-shaped area of the back, sides, and flanks produces a scratching movement of the hind leg of the side stimulated. ... (05 Mar 2000) ...

scratch test
A form of skin test in which antigen is applied through a scratch in the skin. ... (05 Mar 2000) ...

scratches
Synonym for grease heel ... Initially, lesions of horsepox occurring in the skin of the flexor surface of the fetlock of the horse, now frequently applied to any weeping, eczematous condition of that area. ... Synonym: scratches. ... Painful heel, a condition in which bearing weight on the heel causes pain of varying severity. ... Synonym: calcaneodyni …

screamer
<ornithology> Any one of three species of South American birds constituting the family Anhimidae, and the suborder Palamedeae. They have two spines on each wing, and the head is either crested or horned. They are easily tamed, and then serve as guardians for other poultry. The crested screamers, or chajas, belong to the genus Chauna. The horn …

screed
1. A strip of plaster of the thickness proposed for the coat, applied to the wall at intervals of four or five feet, as a guide. A wooden straightedge used to lay across the plaster screed, as a limit for the thickness of the coat. ... 2. A fragment; a portion; a shred. ... Origin: Prov. E, a shred, the border of a cap. See Shred. ... Source: Websters …

screen
1. To provide with a shelter or means of concealment; to separate or cut off from inconvience, injury, or danger; to shelter; to protect; to protect by hiding; to conceal; as, fruits screened from cold winds by a forest or hill. 'They were encouraged and screened by some who were in high comands.' (Macaulay) ... 2. To pass, as coal, gravel, ashes, e …

screen defense
The use of falsified or incomplete memories or affects to cover repressed but associated memories and affects. ... (05 Mar 2000) ...

screen memory
In psychoanalysis, a consciously tolerable memory that unwittingly serves as a cover for another associated memory which would be emotionally painful if recalled. ... (05 Mar 2000) ...

screen-film contact
The closeness and uniformity with which the X-ray film in a cassette lies against the screen. Image resolution is dependent on this closeness and uniformity of contact. ... (05 Mar 2000) ...

screening
Examination of people with no symptoms, to detect unsuspected disease. ... (16 Dec 1997) ...

screening audiometry
Rapid measurement of the hearing of an individual or a group against a predetermined limit of normalcy; auditory responses to different frequencies presented at a constant intensity level are tested. ... (05 Mar 2000) ...

screening test
Any testing procedure designed to separate people or objects according to a fixed characteristic or property. ... (05 Mar 2000) ...

screw
1. To turn, as a screw; to apply a screw to; to press, fasten, or make firm, by means of a screw or screws; as, to screw a lock on a door; to screw a press. ... 2. To force; to squeeze; to press, as by screws. 'But screw your courage to the sticking place, And we'll not fail.' (Shak) ... 3. Hence: To practice extortion upon; to oppress by unreasonabl …

screw arteries
Coiled artery's into the uterine mucosa or in the macular region of the retina. ... (05 Mar 2000) ...

screw elevator
A dental instrument with a threaded extremity used for extracting the root of a broken tooth. ... (05 Mar 2000) ...

screw joint
Synonym for cochlear joint ... A variety of hinge joint in which the elevation and depression, respectively, on the opposing articular surfaces form part of a spiral, flexion being then accompanied by a certain amount of lateral deviation. ... Synonym: screw joint, spiral joint. ... (05 Mar 2000) ...

screw pinch
<radiobiology> A variant on the theta pinch, in which axial currents (as in a z pinch, but less intense) produce a poloidal magnetic field (in addition to the usual longitudinal field), thus making a corkscrew field configuration. ... See: theta pinch, z pinch, pinch device. ... (09 Oct 1997) ...

screw worm infection
Infection with larvae of the blow fly cochliomyia hominivorax (callitroga americanum), a common cause of disease in livestock in the southern and southwestern u.s.a. ... (12 Dec 1998) ...

screw-worm
The larva of the botfly, Cochliomyia hominivorax, and other similar forms that cause human and animal myiasis. ... (05 Mar 2000) ...

screwdriver teeth
Synonym for Hutchinson's teeth ... The teeth of congenital syphilis in which the incisal edge is notched and narrower than the cervical area. ... See: Hutchinson's crescentic notch. ... Synonym: notched teeth, screwdriver teeth, syphilitic teeth. ... (05 Mar 2000) ...

ScrFI modification methylase
<enzyme> From lactococcus lactis subsp. Cremoris uc503; recognises sequence ccngg and forms m(5)ccngg; see also DNA modification methylase dsav and DNA modification methylase ssoii ... Registry number: EC 2.1.1.- ... Synonym: scrfi methylase ... (26 Jun 1999) ...

scribe
1. To write, trace, or mark by making a line with a marker or pointed instrument, as in surveying a dental cast for a removable prosthesis. ... 2. To form, by instrumentation, negative areas within a master cast to provide a positive beading in the framework of a removable partial denture, or the posterior palatal seal area for a complete denture.
Scribner shunt
Connection of an artery, customarily the radial, to the cephalic vein via a short extracorporeal catheter. ... (05 Mar 2000) ...

Scribner, Belding
<person> U.S. Nephrologist, *1921. ... See: Scribner shunt. ... (05 Mar 2000) ...

scrivener's palsy
Synonym for writer's cramp ... A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting. Similar focal dystonias have also been called typist's cramp, pianist's cramp, musician's cramp, and golfer's cramp. ... (12 Dec 1998) ...

scRNP
Small cytoplasmic ribonucleoprotein. ... (18 Nov 1997) ...

scrobiculate
Pitted; marked with minute depressions. ... Origin: L. Scrobiculus; dim. Of scrobis, a trench ... (05 Mar 2000) ...

scrobiculus cordis
Synonym: epigastric fossa. ... Origin: L. Pit or fossa of the heart ... (05 Mar 2000) ...

scrofula
<medicine> A constitutional disease, generally hereditary, especially manifested by chronic enlargement and cheesy degeneration of the lymphatic glands, particularly those of the neck, and marked by a tendency to the development of chronic intractable inflammations of the skin, mucous membrane, bones, joints, and other parts, and by a diminut …

scrofuloderma
Tuberculosis resulting from extension into the skin from underlying atypical mycobacterial infection, most commonly of cervical lymph nodes. ... Origin: scrofula + G. Derma, skin ... Scrofuloderma gummosa, a deep cutaneous tuberculous lesion. ... (05 Mar 2000) ...

scrofulous
Relating to or suffering from scrofula. ... (05 Mar 2000) ...

scrofulous keratitis
Synonym for phlyctenular keratitis ... An inflammation of the corneal conjunctiva with the formation of small red nodules of lymphoid tissue (phlyctenulae) near the corneoscleral limbus. ... Synonym: scrofulous keratitis. ... (05 Mar 2000) ...

scrofulous rhinitis
Tuberculous infection of the nasal mucous membrane. ... (05 Mar 2000) ...

scroll
1. A roll of paper or parchment; a writing formed into a roll; a schedule; a list. 'The heavens shall be rolled together as a scroll.' (Isa. Xxxiv. 4) 'Here is the scroll of every man's name.' (Shak) ... 2. An ornament formed of undulations giving off spirals or sprays, usually suggestive of plant form. Roman architectural ornament is largely of som …

scroll bones
See: inferior nasal concha, middle nasal concha, superior nasal concha, supreme nasal concha. ... (05 Mar 2000) ...

scroll ear
A deformity of the external ear in which the pinna is rolled forward. ... (05 Mar 2000) ...

scrophulariaceous
<botany> Of or pertaining to a very large natural order of gamopetalous plants (Scrophulariaceae, or Scrophularineae), usually having irregular didynamous flowers and a two-celled pod. The order includes the mullein, foxglove, snapdragon, figwort, painted cup, yellow rattle, and some exotic trees, as the Paulownia. ... Source: Websters Diction …

scrotal
<anatomy> Pertaining to the scrotum. ... (27 Sep 1997) ...

scrotal arteries
See: anterior scrotal branch of external pudendal artery, posterior scrotal branch of internal pudendal artery. ... (05 Mar 2000) ...

scrotal raphe
A central line, like a cord, running over the scrotum from the anus to the root of the penis; it marks the position of the septum scroti. ... Synonym: raphe scroti, Vesling's line. ... (05 Mar 2000) ...

scrotal septum
An incomplete wall of connective tissue and nonstriated muscle (dartos fascia) dividing the scrotum into two sacs, each containing a testis. ... Synonym: septum scroti. ... (05 Mar 2000) ...

scrotal tongue
Synonym for fissured tongue ... A painless condition of the tongue characterised by numerous grooves or furrows on the dorsal surface. ... Synonym: grooved tongue, lingua fissurata, lingua plicata, scrotal tongue. ... (05 Mar 2000) ...

scrotal veins
See: anterior scrotal veins, posterior scrotal veins. ... (05 Mar 2000) ...

scrotectomy
<procedure> Removal of all or part of scrotum. ... Origin: scrotum, + G. Ektome, excision ... (05 Mar 2000) ...

scrotiform
Having the shape or form of a scrotum. ... (05 Mar 2000) ...

scrotitis
Inflammation of the scrotum. ... (05 Mar 2000) ...

scrotoplasty
Surgical reconstruction of the scrotum. ... Synonym: oscheoplasty. ... Origin: scrotum + G. Plastos, formed ... (05 Mar 2000) ...

scrotum
A muscular sac which contains the testes. ... (27 Sep 1997) ...

scrub
1. One who labors hard and lives meanly; a mean fellow. 'A sorry scrub.' 'We should go there in as proper a manner possible; nor altogether like the scrubs about us.' (Goldsmith) ... 2. Something small and mean. ... 3. A worn-out brush. ... 4. A thicket or jungle, often specified by the name of the prevailing plant; as, oak scrub, palmetto scrub, etc. …

scrub nurse
A nurse who has scrubbed arms and hands, donned sterile gloves and, usually, a sterile gown, and assists an operating surgeon, primarily by passing instruments. ... (05 Mar 2000) ...