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Слова на букву ulce-℞ (2632)

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vitreitis
Inflammation of the corpus vitreum. SYN: hyalitis. [L. vitreus, glassy, + G. -itis, inflammation]
vitreo-
Vitreous. [L. vitreus, glassy]
vitreodentin
Dentin of a particularly brittle character.
vitreoretinal
Pertaining to the retina and the vitreous body.
vitreoretinopathy
Retinopathy with vitreous complications. - exudative v. [MIM*193220] a familial, slowly progressive ocular disease; characterized by posterior vitreous detachment, vitreous ...
Vitreous
A clear, jelly-like substance that fills the middle of the eye. Also called the vitreous humor, " humor" in medicine referring to a fluid (or semifluid) substance. * * * 1. ...
vitreum
SYN: vitreous body. [L. ntr. of vitreus, glassy]
vitrification
Conversion of dental porcelain ( frit) to a glassy substance by heat and fusion. [L. vitrium, glassy, + facio, to make]
vitriol
Any of the various salts of sulfuric acid, e.g., blue v. ( cupric sulfate), green v. ( ferrous sulfate), white v. ( zinc sulfate). [L. vitreolus, glassy]
vitronectin
A plasma glycoprotein involved in inflammatory and repair reactions at sites of tissue damage.
vitrosin
SYN: vitrein.
Vittaforma
A genus of microsporidia that can infect humans and can cause keratitis in the immunocompetent and disseminated infection in the immunocompromised; formerly Nosema.
vivarium
Quarters in which animals are housed, particularly animals used in medical research. [L. vivarius, pertaining to living creatures]
vivi-
Living. [L. vivus, alive]
vividialysis
Removal by dialysis, as by lavage of peritoneal cavity.
vividiffusion
Archaic term for a method by which circulating blood may be submitted to dialysis outside the body and returned to the circulation without exposure to the air or to any noxious ...
vivification
SYN: revivification (2). [L. vivifico, pp. -atus, fr. vivus, alive, + facio, to make]
viviparity
The quality or state of being viviparous, i.e., producing offspring that are living at the time of birth. SYN: zoogony.
viviparous
Giving birth to living young, in distinction to oviparous, or egg-laying. SYN: zoogonous. [ vivi- + L. pario, to bear]
viviperception
Observation of the vital processes in the organism without the aid of vivisection. [ vivi- + perception]
vivisect
To practice vivisection.
vivisection
Any cutting operation on a living animal for purposes of experimentation; often extended to denote any form of animal experimentation. [ vivi- + section]
vivisectionist, vivisector
One who practices vivisection.
Vladimiroff
Vladimir D., Russian surgeon, 1837–1903. See Mikulicz-V. amputation, V.- Mikulicz amputation.
VLDL
Abbreviation for very low density lipoprotein. See lipoprotein.
VMA
Abbreviation for vanillylmandelic acid.
Vmax
Symbol for maximum velocity.
VMC
Abbreviation for void metal composite.
VO2
Symbol for oxygen consumption.
vocal
Pertaining to the voice or the organs of speech. [L. vocalis]
Vocal cord
One of two small bands of muscle within the larynx. These muscles vibrate to produce the voice. The vocal cords form a "V" inside the larynx, a 2-inch-long, tube-shaped organ in ...
Vocal cord paralysis
Inability of one or both vocal folds (vocal cords) to move. The paralysis is usually due to damage to the nerves going to the vocal cords or due to damage to the brain itself. In ...
vocal fry
Phonation at an unnaturally low frequency resulting in low-frequency popping and ticking sounds. SYN: glottalization.
Vocal tremor
Trembling or shaking of one or more of the muscles of the larynx (the voice box), resulting in an unsteady sounding voice.
Vogel law
See under law.
Voges
Otto, German physician, *1867. See V.- Proskauer reaction.
Vogt
Alfred, Swiss ophthalmologist, 1879–1943. See V.- Koyanagi syndrome. Cécile, German neurologist, 1875–1962. See V. syndrome. Heinrich W., German neurologist, *1875. See ...
Vogt cephalodactyly
SYN: type II acrocephalosyndactyly.
Vohwinkel
H.H., 20th century German dermatologist. See V. syndrome.
voice
The sound made by vibration of the vocal folds caused by air passing out through the larynx and upper respiratory tract, the vocal folds being approximated. SYN: vox. [L. vox] - ...
Voice box
The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords which produce sound. It is located between the pharynx and the trachea. ...
Voice disorder
One of a group of problems involving abnormal pitch, loudness, or quality of the sounds produced by the larynx (the voice box).
Void
To urinate. Just as we can void a check and empty it of value, so can we void our bladder and empty it of urine. * * * To evacuate urine or feces. - flow v. in magnetic ...
void metal composite
A porous metal structure that enables tissue growth within the openings to establish long-term attachment between prosthesis and tissue.
vol.
Abbreviation for [L.] volatilis, volatile.
vola
Palm of the hand or sole of the foot. [L.]
Volar
Pertaining to both the palm and sole. It comes from word "vola" which the ancient Romans used for "the palm of the hand and the sole of the foot." By comparison, the term "palm" ...
volaris
SYN: volar.
volatile
1. Tending to evaporate rapidly. 2. Tending toward violence, explosiveness, or rapid change. [L. volatilis, fr. volo, to fly]
volatilization
SYN: evaporation. [fr. L. volatilis, volatile, fr. volo, pp. volatus, to fly]
volatilize
SYN: evaporate.
Volhard
Franz, German physician, 1872–1950. See V. test.
volition
The conscious impulse to perform any act or to abstain from its performance; voluntary action. [L. volo,, to wish]
volitional
Done by an act of will; relating to volition.
Volkmann
Alfred W., German physiologist, 1800–1877. See V. canals, under canal. Richard, German surgeon, 1830–1889. See V. cheilitis, V. contracture, V. spoon.
volley
A synchronous group of impulses induced simultaneously by artificial stimulation of either nerve fibers or muscle fibers. [Fr. volée, fr. L. volo, to fly]
Vollmer
Herman, U.S. pediatrician, 1896–1959. See V. test.
Volpe
Anthony R., U.S. dentist, *1932. See V.- Manhold Index.
volsella
SYN: vulsella forceps. [see vulsella]
volt
The unit of electromotive force; the electromotive force that will produce a current of 1 A in a circuit that has a resistance of 1 ohm; i.e., joule per coulomb. [Alessandro ...
voltage
Electromotive force, pressure, or potential expressed in volts.
voltaic
SYN: galvanic.
voltaism
SYN: galvanism.
voltameter
An apparatus for measuring the strength of a galvanic current by its electrolytic action. [ volt + G. metron, measure]
voltampere
A unit of electrical power; the product of 1 V by 1 A; equivalent to 1 W or 11000 kW.
voltmeter
An apparatus for measuring the electromotive force or difference of potential.
Voltolini
Friedrich E.R., German laryngologist, 1819–1889. See V. disease.
volume
Space occupied by matter, expressed usually in cubic millimeters, cubic centimeters, liters, etc. See water. SEE ALSO: capacity. [L. volumen, something rolled up, scroll, fr. ...
Volume, stroke
The amount of blood pumped by the left ventricle of the heart in one contraction. The stroke volume is not all of the blood contained in the left ventricle. The heart does not ...
volumenometer
A device for determining the volume of a solid by measuring the amount of liquid it displaces. SYN: volumometer. [volume + G. metron, measure]
volumetric
Relating to measurement by volume.
volumometer
SYN: volumenometer.
Voluntary
Done in accordance with the conscious will of the individual. The opposite of involuntary. The terms "voluntary" and "involuntary" apply to the human nervous system and its ...
Voluntary Euthanasia Society (VES)
The first society of its kind in the world — its founders included doctors, lawyers and churchmen — the VES was set up in England in 1935. The announced aim of the VES is to ...
voluptuous
Causing or caused by sensual pleasure; given to gratification of the senses. [L. voluptuosus, fr. voluptas, pleasure]
volute
Rolled up; convoluted. [L. voluta, a scroll, fr. volvo, pp. volutus, to roll]
volutin
A nucleoprotein complex found as cytoplasmic granules in certain bacteria, yeasts, and protozoa (such as trypanosome flagellates) which serves as food reserves. SYN: v. ...
Volvox
A genus of highly organized colonial green flagellates of the class Phytomastigophorea. [L. volvo, to roll]
volvulosis
SYN: onchocerciasis.
volvulus
A twisting of the intestine causing obstruction; if left untreated may result in vascular compromise of the involved intestine. [L. volvo, to roll] - cecal v. rotation and ...
vomer
A flat bone of trapezoidal shape forming the inferior and posterior portion of the nasal septum; it articulates with the sphenoid, ethmoid, two maxillae, and two palatine bones. ...
vomerine
Relating to the vomer.
vomerobasilar
Relating to the vomer and the base of the skull.
vomeronasal
Relating to the vomer and the nasal bone.
Vomit
Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of vomiting. When vomit is reddish or the color of coffee grounds, it may mean ...
vomiting
The ejection of matter from the stomach in retrograde fashion through the esophagus and mouth. SYN: emesis (1), vomition, vomitus (1). - cerebral v. v. due to intracranial ...
Vomiting in pregnancy, excess
Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition, hyperemesis gravidarum, leads to the loss of 5% or more of the body ...
Vomiting of pregnancy, pernicious
Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition, hyperemesis gravidarum, leads to the loss of 5% or more of the body ...
vomition
SYN: vomiting. [L. vomitio, fr. vomo, to vomit]
vomiturition
SYN: retching.
vomitus
1. SYN: vomiting. 2. SYN: vomit (2). [L. a vomiting, vomit] - v. cruentes SYN: hematemesis. - v. marinus SYN: seasickness. - v. niger SYN: black vomit.
von
Often abbreviated to v. For names with this prefix not found here, see under the principal part of the name.
von Bruns
See Bruns.
von Ebner
Victor, Austrian histologist, 1842–1925. See Ebner glands, under gland, Ebner reticulum, imbrication lines of von Ebner, under line, incremental lines of von Ebner, under ...
von Economo
Constantin F., Austrian neurologist, 1876–1931. See von Economo disease.
von Hansemann
D. P., German pathologist, 1858–1920. See Hansemann macrophage.
von Hippel
Eugen, German ophthalmologist, 1867–1939. See von Hippel- Lindau syndrome.
Von Hippel-Lindau syndrome
The cardinal features of von Hippel-Lindau (VHL) syndrome are benign blood-vessel tumors that most typically affect the eye and the brain. The eye tumors are termed angiomata and ...
von Kossa
Julius, 19th century Austro-Hungarian pathologist. See von Kossa stain.
von Linné
See Linné.
von Meyenburg
See Meyenburg.
von Recklinghausen
See von Recklinghausen disease. See Recklinghausen.
von Recklinghausen’s disease
Hereditary disorder characterized by cafe-au-lait (coffee-with-milk spots on the skin and a tendency to develop nerve tumors) also known as neurofibromatosis.
von Schrötter
Leopold, Austrian laryngologist, 1837-1908. See Paget-von Schrötter syndrome.
von Willebrand
E.A., Finnish physician, 1870–1949. See von Willebrand disease.
Voorhoeve
N., Dutch radiologist, 1879–1927. See V. disease.
vortex
1. SYN: verticil. 2. SYN: whorl (5). 3. SYN: v. lentis. [L. whirlpool, whorl, fr. verto or vorto, to turn around] - v. coccygeus a spiral arrangement of coarse hairs ...
Vorticella
A genus of Ciliata of the order Peritrichida, bell-shaped and with a spiral of cilia around the adoral zone; various free-living species have been found at times in the feces, ...
vortices
Plural of vortex.
vorticose
Arranged in a whorl. [L. vorticosus, fr. vortex, a whorl]
Vossius
Adolf, German pathologist, 1855–1925. See V. lenticular ring.
vox
SYN: voice. [L.] - v. choleraica a peculiar, hoarse, almost inaudible voice of a sufferer in the last stage of Asiatic cholera.
voxel
A contraction for volume element, which is the basic unit of CT or MR reconstruction; represented as a pixel in the display of the CT or MR image.
voyeur
One who practices voyeurism.
voyeurism
The practice of obtaining sexual pleasure by looking, especially at the naked body or genitals of another or at erotic acts between others. SYN: scopophilia. [Fr. voir, to see] ...
VP
Abbreviation for vasopressin; variegate porphyria.
VR
Abbreviation for vocal resonance.
Vrolik’s disease
Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the lethal form of “brittle bone disease.” It is a recessive trait ...
VS
Abbreviation for volumetric solution.
VSD
A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the ventricles). VSD is the most common type of heart malformation ...
VT
Symbol for tidal volume.
VU
Abbreviation for volume unit.
vulgaris
Ordinary; of the usual type. [L. fr. vulgus, a crowd]
Vulnerary
(Plural = vulneraries). A remedy used in healing or treating wounds. Any preparation, plant or drug used in the cure of wounds. For example, Native Americans used the herb ...
Vulpian
Edme F.A., French physician, 1826–1887. See V. atrophy.
vulsella, vulsellum
SYN: v. forceps. [L. pincers, fr. vello, pp. vulsus, to pluck]
Vulva
The female external genital organs including the labia, clitoris, and entrance to the vagina (the vestibule of the vagina). * * * [NA] The external genitalia of the female, ...
Vulvar pain, chronic
Also called essential vulvodynia (literally means "painful vulva"), pain in the vulva, the female external genitalia including the labia, clitoris, and entrance to the ...
Vulvar vestibulitis
Inflammation of small glands at the entrance to the vagina. Vulvar vestibulitis is the most common physical cause of painful intercourse in young women. In roughly half of ...
vulvar, vulval
Relating to the vulva.
vulvectomy
Excision (either partial, complete, or radical) of the vulva. [ vulva + G. ektome, excision]
vulvismus
SYN: vaginismus.
Vulvitis
Inflammation of the external genital organs of the female (the vulva). The vulva includes the labia, clitoris, and the entrance (the " vestibule") to the vagina. A yeast ...
vulvo-
The vulva. [L. vulva]
vulvocrural
Relating to the vulva and the clitoris.
vulvodynia
Chronic vulvar discomfort with complaints of burning and superficial irritation.
Vulvodynia, essential
A chronic, diffuse, unremitting sensation of burning of the vulva — (the female external genital organs including the labia, clitoris, and entrance to the vagina)— a painful ...
vulvouterine
Relating to the vulva and the uterus.
vulvovaginal
Relating to the vulva and the vagina.
vulvovaginitis
Inflammation of both vulva and vagina.
Vvedenskii
Alternative surname of Wedensky, Nikolai I.
VWM
Leukoencephalopathy with vanishing white matter, an inherited brain disease that occurs mainly in children. and follows a chronic progressive course with additional episodes of ...
W
Symbol for tungsten; watt; tryptophan; tryptophanyl.
W-plasty
Surgery to prevent the contracture of a straight-line scar; the edges of the wound are trimmed in the shape of a W, or a series of W's, and closed in a zig-zag manner.
W.r.
Abbreviation for Wassermann reaction.
Waage
P., Norwegian chemist, 1833–1900. See Guldberg-W. law.
Waaler
Erik, Norwegian biologist, *1903. See Rose-W. test.
Waardenburg
Petrus Johannes, Dutch ophthalmologist, 1886–1979. See W. syndrome.
Waardenburg syndrome (WS)
An hereditary disorder characterized by hearing impairment, a white forelock (a frontal white blaze of hair), a difference of color between the iris of one eye and the other ...
Wachendorf
Eberhard J., German botanist and anatomist, 1702–1758. See W. membrane.
Wachstein
Max, U.S. histologist and pathologist, 1905–1965. See W.- Meissel stain for calcium-magnesium- ATPase.
Wächter
Herman J.G., German pathologist, *1878. See Bracht-W. lesion.
Wada
Juhn A., 20th century Japanese-Canadian neurologist. See W. test.
wadding
1. Carded cotton or wool in sheets, used for surgical dressings. 2. Fibrous material that is part of a shotgun shell, which is often found within the wound if the injury was ...
Waddington
Conrad H., British embryologist and geneticist, 1905–1975. See waddingtonian homeostasis.
waddle
SYN: waddling gait.
wafer
A thin sheet of dried flour paste, used to enclose a powder, the w. being moistened and folded over the drug, so that it can be swallowed without taste. [M.E., fr. O.Fr. waufre, ...
Wagner
Hans, Swiss ophthalmologist, *1905. See W. disease, W. syndrome.
Wagstaffe
William, English surgeon, 1843–1910.
waist
The portion of the trunk between the ribs and the pelvis. [A.S. waext]
Walcher
Gustav A., German obstetrician, 1856–1935. See W. position.
Waldenström
Jan G., Swedish physician, *1906. See W. macroglobulinemia, W. purpura, W. syndrome, W. test.
Waldenstrom macroglobulinemia
A chronic low-grade (indolent) type of lymphoma due to a malignant clone of plasma cells. These plasma cells multiply out of control, invade the bone marrow, lymph nodes, and ...
Waldeyer, Waldeyer-Hartz
Heinrich W.G. von, German anatomist and pathologist, 1836–1921. See W. fossae, under fossa, W. glands, under gland, W. zonal layer, W. throat ring, W. sheath, W. space, W. ...
walk
1. To move on foot. 2. The characteristic manner in which one moves on foot. SEE ALSO: gait. [M.E. walken, fr. O.E. wealcen, to roll]
Walker
Arthur Earl, U.S. neurologist, *1907. See W. tractotomy, Dandy-W. syndrome. J.T. Ainslie, English chemist, 1868–1930. See Rideal-W. coefficient, Rideal-W. method. James, ...
Walker, baby
A device that allows a baby to move about in a half-seated, half-upright position. A " walker" may paradoxically delay a baby in development. The baby using a walker tends to be ...
wall
An investing part enclosing a cavity such as the chest or abdomen, or covering a cell or any anatomic unit. A w., as of the chest, abdomen, or any hollow organ. SYN: paries ...
wall-eye
1. SYN: exotropia. 2. Absence of color in the iris, or leukoma of the cornea.
Wallenberg
Adolf, German physician, 1862–1949. See W. syndrome.
Waller
Augustus V., English physiologist, 1816–1870. See wallerian degeneration, wallerian law.
wallerian
Relating to or described by A.V. Waller.
Walsh
Patrick Craig, U.S. urologist, *1938. See neurovascular bundle of W., W. procedure.
Walthard
Max, Swiss gynecologist, 1867–1933. See W. cell rest.
Walther
August F., German anatomist, 1688–1746. See W. dilator, W. canals, under canal, W. ducts, under duct, W. ganglion, W. plexus.
wandering
Moving about; not fixed; abnormally motile. [A.S. wandrian, to wander]
Wang
Chung Yik, Chinese pathologist, 1889–1931. See W. test.
Wangensteen
Owen H., U.S. surgeon, 1898–1981. See W. drainage, W. suction, W. tube.
Wangiella
A dematiaceous genus of fungi characterized by phialides without collarettes, a black yeastlike colony with yeast forms, and later hyphae; the fungi grow well at 40°C. W. ...
Warburg
Otto H., German biochemist and Nobel laureate, 1883–1970. See W. apparatus, W. respiratory enzyme, W. old yellow enzyme, W. theory, W.-Lipmann-Dickens-Horecker shunt, ...
Warburg apparatus
A device used in biochemistry for measuring breathing (respiration) by tissues. Tissue slices are enclosed in a chamber in which the temperature and pressure are monitored, and ...
Warburg's yellow enzyme
A key respiratory enzyme discovered by the German biochemist Otto Heinrich Warburg (1883-1970), a pioneer in research on the respiration of cells and the metabolism of tumors. ...
Ward
Frederick O., British osteologist, 1818–1877. See W. triangle. Owen C., 20th century pediatrician. See Romano-W. syndrome.
ward
A large room or hall in a hospital containing a number of beds. SEE ALSO: unit. [A.S. weard]
Wardrop
James, British surgeon, 1782–1869. See W. method.
Warfarin
An anticoagulant drug (brand names: Coumarin, Panwarfin, Sofarin) taken to prevent the blood from clotting and to treat blood clots and overly thick blood. Warfarin is also used ...
warfarin sodium
An anticoagulant with the same actions as dicumarol; also used as a rodenticide; also available as the potassium salt, with the same actions and uses. [Wisconsin Alumni ...
Warfarin, teratogenicity of
The anticoagulant warfarin (COUMADIN) is a known teratogen, an agent that can disturb the development of the embryo and fetus and lead to birth defects.. Warfarin taken by a ...
warm-blooded
SYN: homeothermic.
Warren
Dean, U.S. surgeon, 1924–1989. See W. shunt.
Wart
A local growth of the outer layer of the skin (the epidermis) caused by a virus. The virus of warts (a papillomavirus) is transmitted by contact. The contact can be with a wart ...
Wart, genital
A wart that is confined primarily to the moist skin of the genitals. These warts are due to viruses belonging to the family of human papilloma viruses (HPVs) which are ...
Wart, venereal
The same as a genital wart, a wart that is confined primarily to the moist skin of the genitals. These warts are due to viruses belonging to the family of human papilloma ...
Wartenberg
Robert, German neurologist, 1887–1956. See W. symptom.
Warthin
Aldred S., U.S. pathologist, 1866–1931. See W. tumor, W.- Finkeldey cells, under cell, W.- Starry silver stain.
wartpox
SYN: variola verrucosa.
Warts, plantar
Warts that grow on the soles of the feet. Plantar warts are different from most other warts. They tend to be flat and cause the buildup of callus (that has to be peeled away ...
warty
Relating to or covered with warts.
wash
A solution used to clean or bathe a part. For types of washes, see the specific term; e.g., eyewash, mouthwash.
Wasmann
Adolphus, 19th century German anatomist. See W. glands, under gland.
Wasp sting
A sting from a wasp, like that of other large stinging insects such as bees, hornets and yellow jackets, capable of triggering allergic reactions varying greatly in severity and ...
Wassermann
August P. von, German bacteriologist, 1866–1925. See W. antibody, W. reaction, W. test, provocative W. test.
Wassermann-fast
A term used to designate a case in which the Wassermann reaction remains positive despite all treatment.
wasting
1. SYN: emaciation. 2. Denoting a disease characterized by emaciation. - salt w. inappropriately large renal excretion of salt despite the apparent need of the body to retain ...
Watchful waiting
Closely monitoring a patient's condition but withholding therapy until the sign and symptom appear or change. Also called observation.
water
1. H2O; a clear, odorless, tasteless liquid, solidifying at 32°F (0°C, 0°R), and boiling at 212°F (100°C, 80°R), that is present in all animal and vegetable tissues and ...
Water blister
A blister with clear watery contents that is not purulent (does not contain pus) and is not sanguineous (does not contain blood). A blister is medically termed a vesicle. One ...
Water on the brain
Known medically as " hydrocephalus", this is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the brain. The fluid is often under increased pressure and can ...
Water requirements, infant
Water is an important part of a baby's diet because water makes up a large proportion of the baby's body. When properly prepared, all infant formulas are approximately 85% water. ...
Water-hammer pulse
A pulse that is full and then suddenly collapses. This type of pulse is also called a Corrigan pulse after the Irish physician Dominic John Corrigan (1802-80) who described this ...
Waterborne bacterial disease
An illness due to infection with bacteria contaminating the water supply. Waterborne bacterial diseases cause a wide range of syndromes including: acute dehydrating diarrhea ...
waterfall
A term used to describe flow in vascular beds where lateral pressure tending to collapse vessels greatly exceeds venous pressure. Flow is independent of venous pressure and ...
Waterhouse
Rupert, British physician, 1873–1958. See W.- Friderichsen syndrome.
Waters
Charles Alexander, U.S. radiologist, 1885-1961. See W. view radiograph. Edward G., U.S. obstetrician and gynecologist, *1898. See W. operation.
waters
Colloquialism for amnionic fluid. - bag of w. bag of w.. - false w. a leakage of fluid prior to or in beginning labor, before the rupture of the amnion.
watershed
1. The area of marginal blood flow at the extreme periphery of a vascular bed. 2. Slopes in the abdominal cavity, formed by projections of the lumbar vertebrae and the pelvic ...
Waterston
David J., British thoracic and pediatric surgeon, *1910. See W. operation, W. shunt.
Watson
Cecil J., U.S. physician, 1901–1983. See W.- Schwartz test. James Dewey, U.S. geneticist and Nobel laureate, *1928. See W.- Crick helix.
watt
The SI unit of electrical power; the power available when the current is 1 ampere and the electromotive force is 1 volt; equal to 1 joule (107 ergs) per second or 1 ...
wave
1. A movement of particles in an elastic body, whether solid or fluid, whereby an advancing series of alternate elevations and depressions, or rarefactions and condensations, is ...
waveform
The form of a pulse; e.g., an arterial pressure or displacement wave; or of the pacemaker pulse as demonstrated on the oscilloscope under a specified load. - pressure w. a ...
wavelength
The distance from one point on a wave (frequently shaped like a sine curve) to the next point in the same phase; i.e., from peak to peak or from trough to trough.
wavenumber
The number of waves per centimeter (cm−1), used to simplify the large and unwieldy numbers heretofore used to designate frequency.
waveshape
SYN: wave form.
wax
1. A thick, tenacious substance, plastic at room temperature, secreted by bees for building the cells of their honeycomb. SYN: beeswax, cera. 2. Any substance with physical ...
Wax dip
A treatment for the symptoms of joint and muscle conditions, such as arthritis, that consists of melted mineral wax derived from petroleum applied to a body area. Wax dips can be ...
Wax, ear
The ear canal is shaped somewhat like an hourglass. The skin on the outer part of the canal has special glands that produce earwax. The purpose of this natural wax is to repel ...
waxing, waxing-up
The contouring of a pattern in wax, generally applied to the shaping in wax of the contours of a trial denture or a crown prior to casting in metal.
Wb
Symbol for weber.
WBC
Commonly used abbreviation for a white blood cell. WBC also stands for the white blood cell count which is the number of white blood cells in a volume of blood. Normal range ...
WDWN
Abbreviation for "well developed, well nourished" used by doctors as shorthand when jotting down the results of their physical examination. For example, a WDWNWF = well developed, ...
weakness
1. Lack of strength or potency. 2. Inability to perform normally. - directional w. a right or left decrement of nystagmus, calculated from the responses to the binaural, ...
wean
To implement weaning. [A.S. wenian]
weaning
1. Permanent deprivation of breast milk and commencement of nourishment with other food. 2. Gradual withdrawal of a patient from dependency on a life support system or other ...
weanling
A young animal that has become adjusted to food other than its mother's milk.
wear
Wasting or deterioration caused by friction. - occlusal w. attritional loss of substance on opposing occlusal units or surfaces. SEE ALSO: abrasion (3).
Weaver's bottom
Inflammation of the bursa that separates the gluteus maximus muscle of the buttocks from the underlying bony prominence of the bone that we sit on, the ischial tuberosity. ...
web
A tissue or membrane bridging a space. SEE ALSO: tela. [A.S.] - esophageal w. a cribriform or w. formation in the esophagus caused by an irregular atrophy. - w. of fingers/toes ...
webbing
Congenital condition apparent when adjacent structures are joined by a broad band of tissue not normally present to such a degree.
Weber
Rainer, 20th century U.S. pathologist. See W. stain. Ernst Heinrich, German physiologist and anatomist, 1795–1878. See W. glands, under gland, W. law, W. paradox, W. test for ...
weber
SI unit of magnetic flux, equal to volt-seconds (V s). [Wilhelm E. W., 1804–1891]
WEBINO
Acronym for wall-eyed bilateral internuclear ophthalmoplegia.
Webster
John, English chemist, 1878–1927. See W. test. John C., U.S. gynecologist, 1863–1950.
Wechsler
David, U.S. psychologist, *1896. See W. intelligence scales, under scale, W.-Bellevue scale.
weddellite
A dihydrate of calcium oxalate; found in renal calculi. Cf.:whewellite. [for Weddell Sea, after James Weddell, Eng. navigator (1787–1834), + -ite]
Wedensky, Vvedenskii
Nikolai I., Russian neurophysiologist, 1852–1922. See W. effect, W. facilitation, W. inhibition.
wedge
A solid body having the shape of an acute-angled triangular prism. [A.S. weeg] - dental w. a double inclined plane used for separating the teeth, maintaining the separation once ...
WEE
Abbreviation for western equine encephalomyelitis.
Weeks
John E., U.S. ophthalmologist, 1853–1949. See W. bacillus, Koch-W. bacillus.
Weeksella
A genus of nonoxidative, aerobic Gram-negative rods. - W. zoohelcum a bacterium producing infections in bites or scratches by dogs or cats.
Wegener
Friedrich, German pathologist, 1907–1990. See W. granulomatosis.
Wegener's granulomatosis
An uncommon type of inflammation of small arteries and veins (vasculitis) that classically involves the vessels supplying the tissues of the lungs, nasal passages (sinuses), and ...
Wegner
Friedrich R.G., German pathologist, 1843–1917. See W. disease, W. line.
Weibel
Ewald R., Swiss physician, *1929. See W.- Palade bodies, under body.
Weichselbaum
Anton, Austrian pathologist, 1845–1920. See W. coccus.
Weidel
Hugo, Austrian chemist, 1849–1899. See W. reaction.
Weigert
Carl, German pathologist, 1845–1904. See W. law, W. iodine solution. See entries under stain.
weight
The product of the force of gravity, defined internationally as 9.80665 m/s2, times the mass of the body. [A.S. gewiht] - apothecaries w. an obsolescent system of weights based ...
weightlessness
The psychophysiologic effect of zero gravity, as experienced by someone falling freely in a vacuum ( e.g., astronauts in a stable orbit). A temporary state of simulated w. can ...
Weil
Adolf, German physician, 1848–1916. See W. disease. Edmund, Austrian physician, 1880–1922. See W.- Felix reaction, W.- Felix test. Ludwig A., German dentist, 1849–1895. See ...
Weill
Georges J., French ophthalmologist, 1866–1952. See W.- Marchesani syndrome. Jean A., French physician, *1903. See Leri-W. disease, Leri-W. syndrome.
Weinberg
Wilhelm, German physician, 1862–1937. See Hardy-W. equilibrium, Hardy-W. law. Michel, French pathologist, 1868–1940. See W. reaction.
Weingrow reflex
See under reflex.
Weir Mitchell
Silas, U.S. neurologist, poet, and novelist, 1829–1914. See Mitchell treatment, Gerhardt- Mitchell disease, W. treatment.
Weisbach
Albin, Austrian anthropologist, 1837–1914. See W. angle.

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