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

vomit
1. To throw up; to eject from the stomach through the mouth; to disgorge; to puke; to spew out; often followed by up or out. 'The fish . . . Vomited out Jonah upon the dry land.' (Jonah II. 10) ... 2. Hence, to eject from any hollow place; to belch forth; to emit; to throw forth; as, volcanoes vomit flame, stones, etc. 'Like the sons of Vulcan, vomi …

vomiting
The act of repeated regurgitation of stomach contents. ... (27 Sep 1997) ...

vomiting gas
A gas, such as chloropicrin, that can cause vomiting and gastrointestinal disorders such as colic and diarrhoea. ... (05 Mar 2000) ...

vomiting of pregnancy
Vomiting occurring in the early months of pregnancy. ... (05 Mar 2000) ...

vomiting reflex
Vomiting (contraction of the abdominal muscles with relaxation of the cardiac sphincter of the stomach and of the muscles of the throat) elicited by a variety of stimuli, especially one applied to the region of the fauces. ... Synonym: pharyngeal reflex. ... (05 Mar 2000) ...

vomiting, anticipatory
Vomiting caused by expectation of discomfort or unpleasantness. ... (12 Dec 1998) ...

vomition
Synonym: vomiting. ... Origin: L. Vomitio, fr. Vomo, to vomit ... (05 Mar 2000) ...

vomitus
1. Vomiting. ... 2. Matter vomited. ... (18 Nov 1997) ...

vomitus cruentes
Synonym for haematemesis ... <symptom> The vomiting of blood. ... Origin: Gr. Emesis = vomiting ... (18 Nov 1997) ...

vomitus marinus
Synonym for seasickness ... A form of motion sickness caused by the motion of a floating platform, such as a ship, boat, or raft. ... Synonym: mal de mer, naupathia, vomitus marinus. ... (05 Mar 2000) ...

von
Often abbreviated to v. For names with this prefix not found here, see under the principal part of the name. ... (05 Mar 2000) ...

von Bruns
See: Bruns. ... (05 Mar 2000) ...

von Ebner, Victor
<person> Austrian histologist, 1842-1925. ... See: Ebner's glands, Ebner's reticulum, imbrication lines of von Ebner, incremental lines of von Ebner. ... (05 Mar 2000) ...

von Economo, Constantin
<person> Austrian neurologist, 1876-1931. ... See: von Economo's disease. ... (05 Mar 2000) ...

von Economo's disease
A unique encephalitis, presumably viral in origin, which followed the influenza pandemic of 1914-1918. Symptoms included ophthalmoplegia and marked somnolence, and in many survivors, the delayed development of Parkinson's disease; the basis for postencephalitic Parkinsonism. ... Synonym: encephalitis lethargica, polioencephalitis infectiva. ... (05 M …

Von Gierke's disease
<disease> A congenital disease caused by a metabolic error in which the body deposits an abnormally high amount of glycogen in the kidneys and liver, the disease produces symptoms such as hypoglycaemia (low blood sugar) and hyperlipaemia (an excess of lipid molecules in the blood, which can lead to problems such as clogged arteries and heart …

von Graefe's sign
Synonym for Graefe's sign ... <clinical sign> In Grave's disease, lag of the upper eyelid as it follows the rotation of the eyeball downward. ... Synonym: von Graefe's sign. ... (05 Mar 2000) ...

von hippel-lindau disease
<disease> A congenital disease characterised by the development of blood vesse ltumours in the retina of the eye and in the brain, lesions and cysts canalso develop in the spina lcord, pancreas, kidneys, and other organs. ... (09 Oct 1997) ...

von hippel-lindau syndrome
<radiology> Retinocerebellar angiomatosis, phakomatosis, autosomal dominant (variable penetrance), haemangioblastoma: most frequent cause of death, cerebellar (most common), also medullary and spinal, retinal angiomatosis (45%), renal cell carcinoma: 2nd most common cause of death, pheochromocytoma (17%), cortical renal cysts (75%), cysts in …

von Hippel, Eugen
<person> German ophthalmologist, 1867-1939. ... See: von Hippel-Lindau syndrome. ... (05 Mar 2000) ...

von Kossa stain
<technique> A stain for calcium in mineralised tissue, utilizing a silver nitrate solution followed by sodium thiosulfate; calcified bone but not osteoid is stained brown to black. ... Synonym: Kossa stain. ... (05 Mar 2000) ...

von Kossa, Julius
<person> 19th century Austro-Hungarian pathologist. ... See: von Kossa stain. ... (05 Mar 2000) ...

von Meyenburg's disease
Synonym for relapsing polychondritis ... A degenerative disease of cartilage producing a bizarre form of arthritis, with collapse of the ears, the cartilaginous portion of the nose, and the tracheobronchial tree; death may occur from chronic infection or suffocation because of loss of stability in the tracheobronchial tree of autosomal origin. ... Sy …

von Recklinghausen disease
type 1 neurofibromatosis ...

von Recklinghausen's disease
<disease> A rare genetic disorder which affects the cell growth of nerve tissue. Individuals have multiple cutaneous and subcutaneous tumours which appear in late childhood. ... Clinical features include medium-brown, flat discolourations to the skin, known as cafe-au-lait spots. ... Secondary hypertension may develop from renal artery stenosis …

von Schrotter, Leopold
<person> Austrian laryngologist, 1837-1908. ... See: Paget-von Schrotter syndrome. ... (05 Mar 2000) ...

von Spee's curve
Synonym for curve of Spee ... The anatomic curvature of the mandibular occlusal plane beginning at the tip of the lower cuspid and following the buccal cusps of the posterior teeth, continuing to the terminal molar. ... Synonym: von Spee's curve. ... (05 Mar 2000) ...

Von Willebrand disease
<disease, haematology> A hereditary platelet disorder caused by defective or deficient Von Willebrand factor, a protein involved in normal blood clotting, that reduces adhesion to collagen but not aggregation. Both bleeding time and coagulation are increased. Factor VIII levels are secondarily reduced. ... Symptoms include nosebleeds, bleeding …

Von Willebrand factor
Plasma factor involved in platelet adhesion through an interaction with Factor VIII. ... See: Von Willebrand disease. ... (18 Nov 1997) ...

von Willebrand, E
<person> Finnish physician, 1870-1949. ... See: von Willebrand's disease. ... (05 Mar 2000) ...

Von Willebrand's disease
<disease> This congenital disease, which is caused a deficiency of a blood factor that promotes platelet adhesion, is characterised by prolonged bleeding and poor blood coagulation. ... (09 Oct 1997) ...

Voorhoeve, N
<person> Dutch radiologist, 1879-1927. ... See: Voorhoeve's disease. ... (05 Mar 2000) ...

Voorhoeve's disease
Synonym for osteopathia striata ... Linear striations seen radiographically in the metaphyses of long bones and also flat bones; it may be a variant of osteopoikilosis. ... Synonym: Voorhoeve's disease. ... (05 Mar 2000) ...

vortex
Origin: L. Vortex, vertex, -icis, fr. Vortere, vertere, to turn. See Vertex. ... 1. A mass of fluid, especially of a liquid, having a whirling or circular motion tending to form a cavity or vacuum in the center of the circle, and to draw in towards the center bodies subject to its action; the form assumed by a fluid in such motion; a whirlpool; an e …

vortex coccygeus
A spiral arrangement of coarse hairs sometimes present over the region of the coccyx. ... Synonym: coccygeal whorl. ... (05 Mar 2000) ...

vortex cordis
Synonym for vortex of heart ... A spiral arrangement of muscular fibres at the apex of the heart. ... Synonym: vortex cordis, whorl. ... (05 Mar 2000) ...

vortex lentis
One of the stellar figures on the surface of the lens of the eye. ... Synonym: vortex. ... (05 Mar 2000) ...

vortex of heart
A spiral arrangement of muscular fibres at the apex of the heart. ... Synonym: vortex cordis, whorl. ... (05 Mar 2000) ...

vortex veins
Several veins (usually four) from the vascular tunic formed of veins accompanying the posterior ciliary arteries and the ciliary body; then drain into the superior or inferior ophthalmic vein. ... Synonym: venae vorticosae, venae choroideae oculi, choroid veins of eye, Stensen's veins, vasa vorticosa, vorticose veins. ... (05 Mar 2000) ...

Vorticella
<protozoa> Genus of ciliate protozoa. It has a bell shaped body with a belt of cilia round the mouth of the bell, to sweep food particles towards the mouth and a long stalk, connecting it to the substratum, which contains the contractile spasmoneme. ... (18 Nov 1997) ...

vortices
Plural of vortex. ... (05 Mar 2000) ...

vortices pilorum
Synonym for hair whorls ... A spiral arrangement of the hairs, as at the crown of the head. ... Synonym: vortices pilorum. ... (05 Mar 2000) ...

vorticose
Arranged in a whorl. ... Origin: L. Vorticosus, fr. Vortex, a whorl ... (05 Mar 2000) ...

vorticose veins
Synonym for vortex veins ... Several veins (usually four) from the vascular tunic formed of veins accompanying the posterior ciliary arteries and the ciliary body; then drain into the superior or inferior ophthalmic vein. ... Synonym: venae vorticosae, venae choroideae oculi, choroid veins of eye, Stensen's veins, vasa vorticosa, vorticose veins. ... …

Vossius, Adolf
<person> German pathologist, 1855-1925. ... See: Vossius' lenticular ring. ... (05 Mar 2000) ...

Vossius' lenticular ring
A ring-shaped opacity found on the anterior lens capsule after contusion of the eye, due to pigment and blood. ... (05 Mar 2000) ...

vox
Synonym for voice ... 1. Sound uttered by the mouth, especially that uttered by human beings in speech or song; sound thus uttered considered as possessing some special quality or character; as, the human voice; a pleasant voice; a low voice. 'He with a manly voice saith his message.' (Chaucer) 'Her voice was ever soft, Gentle, and low; an excellent …

vox choleraica
A peculiar, hoarse, almost inaudible voice of a sufferer in the last stage of Asiatic cholera. ... (05 Mar 2000) ...

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. ... (05 Mar 2000) ...

voyage
1. Formerly, a passage either by sea or land; a journey, in general; but not chiefly limited to a passing by sea or water from one place, port, or country, to another; especially, a passing or journey by water to a distant place or country. 'I love a sea voyage and a blustering tempest.' (J. Fletcher) 'So steers the prudent crane Her annual voyage, …

voyeur
One who practices voyeurism. ... (05 Mar 2000) ...

voyeurism
A paraphilia characterised by repetitive looking at unsuspecting people, usually strangers, who are either naked, in the act of disrobing, or engaging in sexual activity, as the method for achieving sexual excitement. ... (12 Dec 1998) ...

VP
<abbreviation> Vasopressin; variegate porphyria. ... (05 Mar 2000) ...

vp shunt
Synonym for ventriculoperitoneal shunt ... <procedure> A surgical procedure to insert a communicating catheter to relieve intracranial pressure caused by hydrocephalus. ... In this procedure the cerebrospinal fluid is shunted from the ventricles of the brain into the peritoneal cavity via a surgically implanted tube. ... (27 Sep 1997) ...

vp-16
Synonym for etoposide ... <drug, oncology> Etoposide is a semisynthetic derivative of podophyllotoxin used in the treatment of certain neoplastic diseases. It may be administered either intravenously or orally. Side effects: Low blood counts and chance of allergic reactions. ... (16 Dec 1997) ...

Vps15 protein kinase
<enzyme> Functions with vps34p as a membrane-associated complex which facilitates the delivery of proteins into the vacuole in yeast; amino acid sequence has been determined ... Registry number: EC 2.7.10.- ... Synonym: vps15 gene product, vps15p ... (26 Jun 1999) ...

vq scan
<investigation> A nuclear medicine test that involves the inhalation of a radioactive gas and the injection of a radioactive compound into the bloodstream. A special camera measures the radioactive compound and generates a image of the lungs. Comparisons are made between the images generated. Pulmonary embolism can be diagnosed using this pro …

vq scanning
A nuclear medicine test that involves the inhalation of a radioactive gas and the injection of a radioactive compound into the bloodstream. A special camera measures the radioactive compound and generates a image of the lungs. Comparisons are made between the images generated. Pulmonary embolism can be diagnosed using this procedure. ... (27 Sep 199 …

VR
<abbreviation> Vocal resonance. ... (05 Mar 2000) ...

VS
<abbreviation> Volumetric solution. ... (05 Mar 2000) ...

VS virus
Synonym for vesicular stomatitis virus ... <virology> Rhabdovirus causing the disease soremouth in cattle. Widely used as a laboratory tool especially in studies on the spike glycoprotein as a model for the synthesis, post translational modification and export of membrane proteins. ... (18 Nov 1997) ...

VSD
Synonym for ventricular septal defect ... <cardiology, embryology> A congenital heart defect where an abnormal opening exists in the ventricular septum. Blood flows from the higher pressure left ventricle (through the defect) into the right ventricle. ... (12 Jan 1998) ...

VspI methylase
<enzyme> Has been sequenced; prevents plasmid and bacterial DNA degradation by endonuclease vspi ... Registry number: EC 2.1.1.- ... (26 Jun 1999) ...

vsr endonuclease
<enzyme> From E coli, nicks double-stranded DNA which has been damaged to have thymidine residues mismatched to 2'-deoxyguanosine thus initiating vsp mismatch repair ... Registry number: EC 3.1.21.- ... (26 Jun 1999) ...

VT
Symbol for tidal volume. ... (05 Mar 2000) ...

VU
<abbreviation> Volume unit. ... (05 Mar 2000) ...

vulcanise
To change the properties of, as caoutchouc, or India rubber, by the process of vulcanisation. Vulcanised fibre, paper, paper pulp, or other fibre, chemically treated, as with metallic chlorides, so as to form a substance resembling ebonite in texture, hardness, etc. Knight. Vulcanised rubber, India rubber, vulcanised. ... Origin: Vulcanised; Vulcani …

vulgar
1. Of or pertaining to the mass, or multitude, of people; common; general; ordinary; public; hence, in general use; vernacular. 'As common as any the most vulgar thing to sense. ' 'Things vulgar, and well-weighed, scarce worth the praise.' (Milton) 'It might be more useful to the English reader . . . To write in our vulgar language.' (Bp. Fell) 'Th …

vulgaris
Ordinary; of the usual type. ... Origin: L. Fr. Vulgus, a crowd ... (05 Mar 2000) ...

vulgate
An ancient Latin version of the Scripture, and the only version which the Roman Church admits to be authentic; so called from its common use in the Latin Church. ... The Vulgate was made by Jerome at the close of the 4th century. The Old Testament he translated mostly from the Hebrew and Chaldaic, and the new Testament he revised from an older Latin …

vulnerable child syndrome
<syndrome> A reaction characterised by disturbance in psychosocial development, often occurring in children whose parents expect them to die prematurely. ... (05 Mar 2000) ...

vulnerable period
Vulnerable period of heart, a brief time during the cardiac cycle when stimuli are particularly likely to induce repetitive activity like tachycardia, flutter, or fibrillation which persists after the stimulus has ceased; for the ventricle, it occurs during the latter part of systole, during the relative refractory period coincident with the inscri …

vulnerable phase
A period in the cardiac cycle during which an ectopic impulse may lead to repetitive activity such as flutter or fibrillation of the affected chamber. ... (05 Mar 2000) ...

Vulpian
Edme F.A., French physician, 1826-1887. ... See: Vulpian's atrophy. ... (05 Mar 2000) ...

Vulpian's atrophy
Progressive spinal muscular atrophy beginning in the shoulder. ... Synonym: scapulohumeral atrophy. ... (05 Mar 2000) ...

vulsella
Vulsellum ... Synonym: vulsella forceps. ... Origin: L. Pincers, fr. Vello, pp. Vulsus, to pluck ... (05 Mar 2000) ...

vulsellum forceps
A forceps with hooks at the tip of each blade. ... Synonym: volsella, vulsella, vulsellum. ... (05 Mar 2000) ...

vulture
<ornithology> Any one of numerous species of rapacious birds belonging to Vultur, Cathartes, Catharista, and various other genera of the family Vulturidae. ... In most of the species the head and neck are naked or nearly so. They feed chiefly on carrion. The condor, king vulture, turkey buzzard, and black vulture (Catharista atrata) are well k …

vulva
<anatomy> The visible external female genitalia consisting of the mons pubis, labia, clitoris, vaginal orifice, vestibule and vestibular glands. ... (27 Sep 1997) ...

vulval
<anatomy> Pertaining to the vulva. ... (18 Nov 1997) ...

vulvar
Vulval ... Relating to the vulva. ... (05 Mar 2000) ...

vulvar diseases
Diseases of the vulva. ... (12 Dec 1998) ...

vulvar dystrophy
A spectrum of vulvar eruptions consisting of white atrophic papules, including lichen sclerosus et atrophicus, squamous cell hyperplasia (hypertrophic dystrophy), or a combination of these (mixed dystrophy). ... See: lichen sclerosus et atrophicus. ... (05 Mar 2000) ...

vulvar slit
Synonym for pudendal cleft ... The cleft between the labia majora. ... Synonym: rima pudendi, fissura pudendi, pudendal cleavage, pudendal slit, rima vulvae, urogenital cleft, vulvar slit. ... (05 Mar 2000) ...

vulvectomy
<procedure> Excision (either partial, complete, or radical) of the vulva. ... Origin: vulva + G. Ektome, excision ... (05 Mar 2000) ...

vulvitis
<gynaecology, pathology> Inflammation of the vulva. Possible causes include dermatitis, eczema, seborrheic dermatitis, allergies or infections. ... (13 Nov 1997) ...

vulvo-
The vulva. ... Origin: L. Vulva ... (05 Mar 2000) ...

vulvocrural
Relating to the vulva and the clitoris. ... (05 Mar 2000) ...

vulvodynia
Chronic vulvar discomfort with complaints of burning and superficial irritation. ... (05 Mar 2000) ...

vulvovaginal cystectomy
Synonym for Bartholin's cystectomy ... <procedure> Removal of a cyst of a major vestibular gland. ... Synonym: vulvovaginal cystectomy. ... (05 Mar 2000) ...

vulvovaginal gland
Synonym for greater vestibular gland ... One of two mucoid-secreting tubuloalveolar glands on either side of the lower part of the vagina, the equivalent of the bulbourethral glands in the male; ensheathed with vestibular bulbs by ischiocavernosus muscles. Thus erection and muscle contraction cause secretion into vestibule of vagina. ... Synonym: gla …

vulvovaginitis
<gynaecology, pathology> Inflammation of the vulva and vagina or of the vulvovaginal glands. ... (13 Nov 1997) ...

Vvedenskii
Alternative surname of Wedensky, Nikolai I. ... (05 Mar 2000) ...

VZV
Synonym for varicella-zoster virus ... A herpesvirus, morphologically identical to herpes simplex virus, that causes varicella (chickenpox) and herpes zoster in man; varicella results from a primary infection with the virus; herpes zoster results from secondary invasion by the same virus or by reactivation of infection which in many instances has be …

w chromosome
<genetics> A sex chromosome found in all birds and certain other animals where the female is the heterogametic sex. The W chromosome causes the individual to become female in bird species. It is part of the WZ set of sex chromosomes, where the female has one W chromosome and one Z chromosome, and the male has two Z chromosomes. ... (09 Oct 199 …

W factor
Synonym for biotin ... <biochemistry> A prosthetic group for carboxylase enzymes. Important in fatty acid biosynthesis and catabolism and has found widespread use as a covalent label for macromolecules which may then be detected by high affinity binding of labelled avidin or streptavidin. Essential growth factor for many cells. ... (18 Nov 1997 …

W locus
<molecular biology> Mouse coat colour locus, equivalent to the kit proto-oncogene, that encodes a receptor tyrosine kinase essential for development of haemopoietic and germ cells. ... (18 Nov 1997) ...

W procedure
Synonym for 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. ... Synonym: W procedure. ... (05 Mar 2000) ...

W rays
Synonym for intermediate rays ... Those between ultraviolet and X-ray's. ... Synonym: W rays. ... (05 Mar 2000) ...

W-arch
A fixed maxillary expansion device attached to the lingual part of the molars, with either bilateral or unilateral extension arms. ... (05 Mar 2000) ...