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

UV
Synonym for ultraviolet radiation ... <physics> Invisible light, next to visible light in the electromagnetic spectrum. The most common source of ultraviolet radiation is the sun. ... Acronym: UV ... (16 Dec 1997) ...

UV endonuclease
<chemical> Uv endonuclease induced by phage t4 contains endodeoxyribonuclease pyrimidine dimer (EC 3.1.25.1), DNA glycosidase and apyrimidinic-apurinic endonuclease (EC 3.1.25.2) ... Chemical name: nuclease, uv-endodeoxyribo- ... Synonym: t4-induced uv endonuclease ... (26 Jun 1999) ...

UV incision nuclease
<enzyme> DNA repair enzymes which nick at thymine dimers or thymine glycols in damaged DNA, later enzymes excise the damaged part ... Registry number: EC 3.1.- ... Synonym: incision endonuclease ... (26 Jun 1999) ...

uva ursi
The dried leaves of Arctostaphylos uva-ursi (family Ericaceae), bearberry, mountain box, a common plant of the north temperate zone; contains antiseptic glycosides, arbutin, methylarbutin, and tannins; has been used in chronic inflammations of the urinary tract. ... Origin: L. Uva, grape + ursus, bear ... (05 Mar 2000) ...

uvaeformis
Synonym: vascular lamina of choroid. ... Origin: L. Uva, grape, + forma, form ... (05 Mar 2000) ...

UVB
<abbreviation> Ultraviolet B. ... (05 Mar 2000) ...

UVC
<abbreviation> Ultraviolet C. ... (05 Mar 2000) ...

uveal
Relating to the uvea. ... (05 Mar 2000) ...

uveal diseases
Diseases of the uvea. ... (12 Dec 1998) ...

uveal part of trabecular reticulum
The posterior part of the trabecular reticulum, located between the scleral spur, the ciliary body, and the anterior surface of the iris. ... Synonym: pars uvealis reticuli trabecularis. ... (05 Mar 2000) ...

uveal staphyloma
Seldom-used term for protrusion of the iris through a rupture of the sclera. ... (05 Mar 2000) ...

uveal tract
Synonym for vascular tunic of eye ... The vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris. ... Synonym: tunica vasculosa bulbi, Haller's tunica vasculosa, tunica vasculosa oculi, uvea, uveal tract. ... (05 Mar 2000) ...

UVEB
<abbreviation> Unifocal ventricular ectopic beat. ... (05 Mar 2000) ...

uveitic
Relating to the uvea. ... (05 Mar 2000) ...

uveitides
Plural of uveitis. ... (05 Mar 2000) ...

uveitis
<pathology> An inflammation of part or all of the uvea, the middle (vascular) tunic of the eye and commonly involving the other tunics (the sclera and cornea and the retina). ... (18 Nov 1997) ...

uveitis, anterior
Inflammation of the anterior uvea comprising the iris, angle structures, and the ciliary body. Manifestations of this disorder include ciliary injection, exudation into the anterior chamber, iris changes, and adhesions between the iris and lens (posterior synechiae). Intraocular pressure may be increased or reduced. ... (12 Dec 1998) ...

uveitis, intermediate
Inflammation of the pars plana, ciliary body, and adjacent structures. ... (12 Dec 1998) ...

uveitis, posterior
Inflammation of the choroid as well as the retina and vitreous body. Some form of visual disturbance is usually present. The most important characteristics of posterior uveitis are vitreous opacities, choroiditis, and chorioretinitis. ... (12 Dec 1998) ...

uveitis, suppurative
Intraocular infection caused mainly by pus-producing bacteria and rarely by fungi. The infection may be caused by an injury or surgical wound (exogenous) or by endogenous septic emboli in such diseases as bacterial endocarditis or meningococcaemia. ... (12 Dec 1998) ...

uveo-encephalitic syndrome
Synonym for Behcet's syndrome ... <syndrome> A multisystem, chronic recurrent disease characterised by ulceration in the mouth and genitalia, iritis, uveitis, arthritis and thrombophlebitis. Often treated with immunosuppressive therapy (corticosteroids, chlorambucil). ... (27 Sep 1997) ...

uveocutaneous syndrome
Synonym for Vogt-Koyanagi syndrome ... <syndrome> Bilateral uveitis with iritis and glaucoma, premature graying of the hair, and alopecia, vitiligo, and dysacusia; related to Harada's syndrome and sympathetic ophthalmia. ... Synonym: oculocutaneous syndrome, uveocutaneous syndrome. ... Origin: Cecile and Oscar Vogt ... (05 Mar 2000) ...

uveoencephalitis
Synonym for Harada's syndrome ... <syndrome> Bilateral retinal oedema, uveitis, choroiditis, and retinal detachment, with temporary or permanent deafness, graying of the hair (poliosis), and alopecia; related to the Vogt-Koyanagi syndrome and sympathetic ophthalmia. ... Synonym: Harada's disease, uveoencephalitis, uveomeningitis syndrome. ... (0 …

uveomeningitis syndrome
Synonym for Harada's syndrome ... <syndrome> Bilateral retinal oedema, uveitis, choroiditis, and retinal detachment, with temporary or permanent deafness, graying of the hair (poliosis), and alopecia; related to the Vogt-Koyanagi syndrome and sympathetic ophthalmia. ... Synonym: Harada's disease, uveoencephalitis, uveomeningitis syndrome. ... (0 …

uveomeningoencephalitic syndrome
<syndrome> Disease characterised by bilateral uveitis with iritis and secondary glaucoma, premature alopecia, symmetrical vitiligo, and hearing disorders, and accompanied by meningeal signs. ... (12 Dec 1998) ...

uveoparotid fever
A manifestation of sarcoidosis marked by chronic inflammation of the parotid gland and the uvea. ... (12 Dec 1998) ...

uveoscleritis
Inflammation of the sclera involved by extension from the uvea. ... (05 Mar 2000) ...

uviform
Synonym: botryoid. ... Origin: L. Uva, grape, + forma, form ... (05 Mar 2000) ...

uviofast
Not weakened or destroyed by subjection to ultraviolet radiation. ... Synonym: uvioresistant. ... Origin: uviol (ultraviolet), + fast ... (05 Mar 2000) ...

uviol
A special kind of glass more than usually transparent to ultraviolet or actinic rays, e.g., crystallinequartz. ... Origin: ultraviolet ... (05 Mar 2000) ...

uviol lamp
An electric lamp with uviol glass, furnishing especially violet rays; used in phototherapy. ... (05 Mar 2000) ...

uviometer
An instrument for measuring ultraviolet radiation. ... Origin: uviol (ultraviolet), + meter ... (05 Mar 2000) ...

uvioresistant
Synonym for uviofast ... Not weakened or destroyed by subjection to ultraviolet radiation. ... Synonym: uvioresistant. ... Origin: uviol (ultraviolet), + fast ... (05 Mar 2000) ...

uviosensitive
Sensitive to ultraviolet rays. ... Origin: uviol (ultraviolet) + sensitive ... (05 Mar 2000) ...

uvitic
<chemistry> Pertaining to, or designating, an acid, obtained as a white crystalline substance by the partial oxidation of mesitylene. ... Structure: CH3C6H3(CO2H)2 ... Synonym: mesitic acid. ... Origin: From L. Uva a grape. So called because it may be produced indirectly from tartaric acid, which is found in the grape. ... Source: Websters Dictio …

uvomorulin
<protein> Glycoprotein (120 kD) originally defined as the antigen responsible for eliciting antibodies capable of blocking compaction in early mouse embryos (at the morula stage) and inhibiting calcium dependent aggregation of mouse teratocarcinoma cells. May be the mouse equivalent of LCAM, the chick cell adhesion molecule. ... (18 Nov 1997)< …

uvul-
See: uvulo-. ... (05 Mar 2000) ...

uvula
<otolaryngology> The central tag-like structure hanging down from the edge of the soft palate. ... (13 Nov 1997) ...

uvula cerebelli
Synonym for uvula vermis ... A triangular elevation on the vermis of the cerebellum, lying between the two tonsils anterior to the pyramis. ... Synonym: uvula cerebelli. ... (05 Mar 2000) ...

uvula of bladder
A slight projection into the cavity of the bladder, usually more prominent in old men, just behind the urethral opening, marking the location of the middle lobe of the prostate. ... Synonym: uvula vesicae, Lieutaud's uvula. ... (05 Mar 2000) ...

uvula palatina
Synonym for palatine uvula ... A conical projection from the posterior edge of the middle of the soft palate, composed of connective tissue containing a number of racemose glands, and some muscular fibres (uvulae muscle). ... Synonym: uvula palatina, pendulous palate. ... (05 Mar 2000) ...

uvula vermis
A triangular elevation on the vermis of the cerebellum, lying between the two tonsils anterior to the pyramis. ... Synonym: uvula cerebelli. ... (05 Mar 2000) ...

uvula vesicae
Synonym for uvula of bladder ... A slight projection into the cavity of the bladder, usually more prominent in old men, just behind the urethral opening, marking the location of the middle lobe of the prostate. ... Synonym: uvula vesicae, Lieutaud's uvula. ... (05 Mar 2000) ...

uvulae
<anatomy, muscle> Origin, posterior nasal spine; insertion, forms chief bulk of the uvula; action, raises the uvula; nerve supply, pharyngeal plexus. ... Synonym: musculus uvulae, muscle of uvula, musculus azygos uvulae, palatouvularis muscle, uvularis. ... (05 Mar 2000) ...

uvulaptosis
Synonym for uvuloptosis ... Relaxation or elongation of the uvula. ... Synonym: falling palate, staphylodialysis, staphyloptosis, uvulaptosis. ... Origin: uvulo-+ G. Ptosis, a falling ... (05 Mar 2000) ...

uvularis
Synonym for uvulae ... <anatomy, muscle> Origin, posterior nasal spine; insertion, forms chief bulk of the uvula; action, raises the uvula; nerve supply, pharyngeal plexus. ... Synonym: musculus uvulae, muscle of uvula, musculus azygos uvulae, palatouvularis muscle, uvularis. ... (05 Mar 2000) ...

uvulectomy
<procedure> Excision of the uvula. ... Synonym: staphylectomy. ... Origin: uvula + G. Ektome, excision ... (05 Mar 2000) ...

uvulitis
Inflammation of the uvula. ... (05 Mar 2000) ...

uvulo-
The uvula, usually the uvula palatina. ... See: staphylo-. ... Origin: L. Uvula ... (05 Mar 2000) ...

uvulopalatopharyngoplasty
Synonym for palatopharyngoplasty ... <procedure> Surgical resection of unnecessary palatal and oropharyngeal tissue in selected cases of snoring, with or without sleep apnea. ... This technique has proven effective in approximately 50% of cases, when undertaken to cure sleep apnea. Pharmacological treatment of apnea generally fails to correct t …

uvulopalatoplasty
Synonym for palatopharyngoplasty ... <procedure> Surgical resection of unnecessary palatal and oropharyngeal tissue in selected cases of snoring, with or without sleep apnea. ... This technique has proven effective in approximately 50% of cases, when undertaken to cure sleep apnea. Pharmacological treatment of apnea generally fails to correct t …

uvuloptosis
Relaxation or elongation of the uvula. ... Synonym: falling palate, staphylodialysis, staphyloptosis, uvulaptosis. ... Origin: uvulo-+ G. Ptosis, a falling ... (05 Mar 2000) ...

uvulotome
An instrument for cutting the uvula. ... Synonym: uvulatome. ... (05 Mar 2000) ...

uvulotomy
<procedure> Any cutting operation on the uvula. ... Origin: uvulo-+ G. Tome, a cutting ... (05 Mar 2000) ...

Uzbekistan haemorrhagic fever
A viral fever in central Asia probably transmitted by Hyalomma anatolicum. ... (05 Mar 2000) ...

V antigen
Viral antigen that is intimately associated with the virus particle, is protein in nature, has multiple antigenicities, and is strain-specific; antibody to such antigen is demonstrable as protective or neutralizing antibody. ... (05 Mar 2000) ...

V gene
Synonym for variable gene ... v region ...

V lead
A unipolar lead with the central terminal as the indifferent electrode; V is the symbol for unipolar (Latin 'U'). ... (05 Mar 2000) ...

v onc
<molecular biology> General abbreviation for the viral form of an oncogene, c.f. C onc, the normal, cellular proto-oncogene. ... (18 Nov 1997) ...

V region
<molecular biology> Those regions in the amino acid sequence of both the heavy and the light chains of immunoglobulins where there is considerable sequence variability from one immunoglobulin to other of the same class, in contrast to constant sequence (C) regions. The V regions are associated with the antigen binding areas. They contain hype …

v sign of naclerio
<radiology> V-shaped collection of air, in mediastinum and along diaphragm, indicates pneumomediastinum and pneumothorax, seen in Boerhaave syndrome ... (12 Dec 1998) ...

V wave
<cardiology, physiology> A large pressure wave visible in recordings from either atrium or its incoming veins, normally produced by venous return but becoming very large when blood regurgitates through the A-V valve beyond the chamber from which the recording is made. ... (05 Mar 2000) ...

V-2 carcinoma
<tumour> A transplantable, highly malignant carcinoma of experimental animals that developed as a result of malignant change in a virus-induced papilloma of a domestic rabbit. ... (05 Mar 2000) ...

V-A
<abbreviation> Ventriculoatrial. ... (05 Mar 2000) ...

V-bends
V-shaped bends incorporated in an archwire, usually placed mesially or distally to the canines (cuspids) and used as a 'dead' area of wire through which torquing bends may be placed. ... (05 Mar 2000) ...

V-esotropia
Convergent strabismus greater in downward than in upward gaze. ... (05 Mar 2000) ...

V-exotropia
Divergent strabismus greater in upward than in downward gaze. ... (05 Mar 2000) ...

V-MI
<abbreviation> Volpe-Manhold Index. ... (05 Mar 2000) ...

v-q mismatch
<radiology> Mnemonic: FEV ONE, F fibrosing mediastinitis, E effusion, V vasculitis, O one pulmonary artery (or hypoplasia), N neoplasm, E embolism ... (12 Dec 1998) ...

V-type ATPase
<enzyme> From eukaryotic endomembrane systems, including vacuoles, lysosomes, golgi apparatus, chromaffin granules and coated vesicles. One of three major classes of ion transport ATPase, characterised by a multi subunit structure and a lack of a phosphorylated intermediate. ... Found in archaebacteria but not eubacteria, in the intracellular …

V-Y flap
A flap in which the incision is made in a V shape and sutured in a Y shape to gain additional tissue. ... Synonym: V-Y plasty, V-Y procedure. ... (05 Mar 2000) ...

V-Y plasty
Synonym for V-Y flap ... A flap in which the incision is made in a V shape and sutured in a Y shape to gain additional tissue. ... Synonym: V-Y plasty, V-Y procedure. ... (05 Mar 2000) ...

V-Y procedure
Synonym for V-Y flap ... A flap in which the incision is made in a V shape and sutured in a Y shape to gain additional tissue. ... Synonym: V-Y plasty, V-Y procedure. ... (05 Mar 2000) ...

V2 protease
<enzyme> Isolated from virulent strain of dichelobacter nodosus; differs from b2 protease by a single amino acid at position 219; genbank l38395 ... Registry number: EC 3.4.21.- ... Synonym: aprv2 gene product, dn aprv2 gene product ... (26 Jun 1999) ...

V8 protease
<enzyme> Protease from Staphylococcus aureus strain V8. Cleaves peptide bonds on the carboxyl side of aspartic and glutamic acid residues. Used experimentally for selective cleavage of proteins for amino acid sequence determination or peptide mapping. ... (18 Nov 1997) ...

Va-Q
<abbreviation> Ventilation/perfusion ratio. ... (05 Mar 2000) ...

va'gi eminentia
Synonym for vagal trigone ... A prominence in the floor of the inferior fovea of the fourth ventricle that overlies the dorsal motor nucleus of the vagus. ... Synonym: trigonum nervi vagi, ala cinerea, ashen wing, gray wing, trigone of vagus nerve, va'gi eminentia. ... (05 Mar 2000) ...

VAC
<abbreviation> Ventriculoatrial conduction. ... (05 Mar 2000) ...

vacation
1. The act of vacating; a making void or of no force; as, the vacation of an office or a charter. ... 2. Intermission of a stated employment, procedure, or office; a period of intermission; rest; leisure. 'It was not in his nature, however, at least till years had chastened it, to take any vacation from controversy.' (Palfrey) Hence, specifically: - …

vaccenic acid
CH3(CH2)5CH==CH(CH2)9COOH; n-trans-11-octadecenoic acid;an unsaturated fatty acid of which both cis and trans isomers are found in butter and other animal fats. ... (05 Mar 2000) ...

vaccinate
To administer a vaccine. ... (05 Mar 2000) ...

vaccination
<procedure> The introduction of vaccine into the body for the purpose of inducing immunity. Coined originally to apply to the injection of smallpox vaccine, the term has come to mean any immunising procedure in which vaccine is injected. ... Origin: L. Vacca = cow ... (18 Nov 1997) ...

vaccination, anthrax
A series of six shots over six months and booster shots annually, the anthrax vaccine now in use in the usa was first developed in the 1950s and approved by the food and drug administration for general use in 1970. It is produced by the michigan biologic products institute of michigan's department of health and is given routinely to veterinarians a …

vaccination, chickenpox
This vaccine prevents the common disease known as chickenpox (varicella zoster). While chickenpox is often considered a trivial illness, it can cause significant lost time on the job and in school and have serious complications including ear infections, pneumonia, and infection of the rash with bacteria, inflammation of the brain (encephalitis) lea …

vaccination, children's
In the United States, it is recommended that all children receive vaccination against: - hepatitis b - diphtheria, tetanus, pertussis - haemophilus influenzae type b (hib), poliovirus, measles, mumps, rubella, varicella zoster virus (chickenpox). Every child in the u.s. Should have these vaccinations except when there are special circumstances and …

vaccination, dpt
DPT immunization protects from diphtheria, pertussis (whooping cough), and tetanus and is given in a series of 5 shots at 2, 4, 6, 18 months of age and 4-6 years of age. Thanks to vaccination programs, these diseases have become less common. However, there are still unvaccinated individuals capable of carrying and passing diphtheria and pertussis t …

vaccination, dt
DT (diphtheria and tetanus) vaccine does not protect from pertussis and is usually reserved for individuals who have had a significant adverse reaction to a dpt shot or who have a personal or family history of a seizure disorder or brain disease ... (12 Dec 1998) ...

vaccination, dtap
Like DPT, DTaP protects from diphtheria, pertussis (whooping cough) and tetanus. Dtap is the same as dtp, except that it contains only acellular pertussis vaccine which is thought to cause fewer of the minor reactions associated with immunization and is also probably less likely to cause the more severe reactions occasionally seen following pertuss …

vaccination, german measles
See Vaccination, MMR. ... (12 Dec 1998) ...

vaccination, hepatitis a
When immediate protection against hepatitis a (infectious hepatitis) is needed, immunoglobulins are used. Protection is effective only if given within 2 weeks of exposure and lasts but 2-4 months. Immunoglobulins can be used to protect household contacts of someone with acute viral hepatitis and travelers to regions with poor sanitation and high he …

vaccination, hepatitis b
Hepatits B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually required. In the u.s., all infants receive hep b vaccine. Two vaccines (engerix-b, and recombivax-hb) are available in the us. The first dose of hep b vaccine is frequently given while the newborn is in the hospital or at the first doctor visit following …

vaccination, hib
This vaccine is to prevent disease caused by the haemophilus influenzae type b (hib) bacteria. The h. Influenzae (h. Flu) bacteria can cause a range of serious diseases including meningitis with potential brain damage and epiglottitis with airway obstruction poisoning. The hib vaccine is usually given at 2, 4 and 6 months of age. A final booster is …

vaccination, infectious hepatitis
See Vaccination, hepatitis a. ... (12 Dec 1998) ...

vaccination, measles
See Vaccination, MMR. Vaccination, mmr: the standard vaccine given to prevent measles, mumps and rubella (german measles). The mmr vaccine is now given in two dosages. The first should be given at12-15 months of age. The second vaccination hould be given at 4-6 years (or, alternatively, 11-12 years) of age. most colleges require proof of a second m …

vaccination, mumps
See Vaccination, MMR. Vaccination, pneumococcal pneumonia: this vaccine, which prevents one of the most common and severe forms of pneumonia, is usually given only once in a lifetime, usually after the age of 55, to someone with ongoing lung problems (such as chronic obstructive pulmonary disease (copd) or asthma) or other chronic diseases (includi …

vaccination, polio
The vaccines available for vaccination against polio are opv (oral polio vaccine) and ipv (inactivated polio vaccine). Opv is still the preferred vaccine for most children. As its name suggests, it is given by mouth. Ipv, or inactivated polio vaccine is given as a shot in the arm or leg. Infants and children should be given four doses of opv. The d …

vaccination, rubella
See Vaccination, MMR. ... (12 Dec 1998) ...

vaccination, varicella zoster
See Vaccineation, chickenpox. ... (12 Dec 1998) ...

vaccinator
1. A person who vaccinates. ... Synonym: vaccinist. ... 2. A scarifier or other instrument used in vaccination. ... (05 Mar 2000) ...

vaccine
<pharmacology> A suspension of attenuated or killed microorganisms (bacteria, viruses or rickettsiae), administered for the prevention, amelioration or treatment of infectious diseases. ... Origin: L. Vaccinus ... (18 Nov 1997) ...