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


vascular murmur
<cardiology> A murmur originating in a blood vessel. ... (05 Mar 2000) ...

vascular nerve
<anatomy, nerve> A small nerve filament that supplies the wall of a blood vessel. ... Synonym: nervus vascularis. ... (05 Mar 2000) ...

vascular occlusion
A sudden blockage of a blood vessel usually with a blood clot. Blockage of a vein results in deep venous thrombosis. Blockage of an artery results in a surgical emergency. ... (27 Sep 1997) ...

vascular patency
The condition of blood vessels not being blocked or obstructed. ... (12 Dec 1998) ...

vascular pedicle
The tissues containing arteries and veins of an organ, specifically in chest radiology, the (width of the) mediastinum at the level of the aortic arch and superior vena cava. ... (05 Mar 2000) ...

vascular plant
A plant which possesses a well-developed system of conducting tissue to transport water, mineral salts and sugars. ... (09 Oct 1997) ...

vascular plexus
A vascular network formed by frequent anastomoses between the blood vessels (arteries or veins) of a part. ... Synonym: plexus vasculosus. ... (05 Mar 2000) ...

vascular polyp
A bulging or protruding angioma of the nasal mucous membrane. ... Synonym: bleeding polyp. ... (05 Mar 2000) ...

vascular resistance
An expression of the resistance offered by the systemic arterioles, and to a lesser extent by the capillaries, to the flow of blood. ... (12 Dec 1998) ...

vascular ring
Anomalous arteries (aortic arches) congenitally encircling the trachea and oesophagus, at times producing pressure symptoms. ... (05 Mar 2000) ...

vascular sclerosis
Synonym for arteriosclerosis ... <cardiology, disease> Imprecise term for various disorders of arteries, particularly hardening due to fibrosis or calcium deposition, often used as a synonym for atherosclerosis. ... (17 Oct 1997) ...

vascular sheaths
Fibrous envelopes ensheathing the arteries with their accompanying veins and sometimes nerves as well. ... Synonym: sheaths of vessels, vaginae vasorum. ... (05 Mar 2000) ...

vascular spider
spider angioma ...

vascular stripe
Synonym for stria vascularis of cochlea ... The stratified epithelium lining the upper part of the ligamentum spirale cochleae; it is penetrated by capillaries and is believed to be the site of production of endolymph. ... Synonym: stria vascularis ductus cochlearis, psalterial cord, vascular stripe. ... (05 Mar 2000) ...

vascular surgeon
A physician specialist expert in the surgical management of occlusive diseases of the blood vessels. ... (27 Sep 1997) ...

vascular surgery
A branch of medicine dealing with the use of surgery to diagnose/treat diseases of the blood vessels. ... (09 Oct 1997) ...

vascular surgical procedures
Operative procedures for the treatment of vascular disorders. ... (12 Dec 1998) ...

vascular system
The cardiovascular and lymphatic system's collectively. ... Synonym: circulatory system. ... (05 Mar 2000) ...

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) ...

vascular zone
An area in the external acoustic meatus where a number of minute blood vessels enter from the mastoid bone. ... Synonym: spongy spot, zona vasculosa. ... (05 Mar 2000) ...

vascular-streak dieback
A fungal disease of the cacaotree caused by Oncobasidium theobromae. ... (09 Oct 1997) ...

vascularisation
<physiology> Growth of blood vessels into a tissue with the result that the oxygen and nutrient supply is improved. ... Vascularisation of tumours is usually a prelude to more rapid growth and often to metastasis, excessive vascularisation of the retina in diabetic retinopathy can lead indirectly to retinal detachment. ... Vascularisation seems …

vascularised
Rendered vascular by the formation of new vessels. ... (05 Mar 2000) ...

vascularised graft
The state of a graft after the recipient vasculature has been connected with the vessels in the graft. ... (05 Mar 2000) ...

vascularity
The blood supply of a tumour. ... (16 Dec 1997) ...

vascularization
The formation of new blood vessels in a part. ... Synonym: arterialization. ... (05 Mar 2000) ...

vasculature
The vascular network of an organ. ... (05 Mar 2000) ...

vasculitis
<pathology> Inflammation of a vessel, angiitis. ... Origin: L. Vasculum = vessel ... (18 Nov 1997) ...

vasculitis, allergic cutaneous
Vasculitis due to allergic reaction, marked by such cutaneous lesions as papules, macules, vesicles, urticarial wheals, purpura, and small ulcers, and accompanied by itching and usually a slight fever and malaise. ... (12 Dec 1998) ...

vasculitis, hypersensitivity
Heterogeneous group of disorders characterised by a vasculitic syndrome presumed to be associated with a hypersensitivity reaction following exposure to an antigen such as an infectious agent, a drug, or other foreign or endogenous substance. ... (12 Dec 1998) ...

vasculo-
A blood vessel. ... See: vas-, vaso-. ... Origin: L. Vasculum, a small vessel, dim. Of vas ... (05 Mar 2000) ...

vasculocardiac
Synonym for cardiovascular ... <cardiology, physiology> Pertaining to the heart and blood vessels. ... (18 Nov 1997) ...

vasculogenesis
Formation of the vascular system. ... Origin: vasculo-+ G. Genesis, production ... (05 Mar 2000) ...

vasculogenic impotence
Impotence due to alterations in the flow of blood to and from the penis. ... (05 Mar 2000) ...

vasculomotor
Synonym for vasomotor ... 1. <physiology> Affecting the calibre of a vessel, especially of a blood vessel. ... 2. Any element or agent that effects the calibre of a blood vessel. ... Origin: L. Motor = mover ... (18 Nov 1997) ...

vasculomyelinopathy
Small cerebral vessel vasculopathy with subsequent perivascular demyelination, presumably due to circulating immune complexes. ... (05 Mar 2000) ...

vasculopathy
Any disease of the blood vessels. ... Origin: vasculo-+ G. Pathos, disease ... (05 Mar 2000) ...

vase
1. A vessel adapted for various domestic purposes, and anciently for sacrificial used; especially, a vessel of antique or elegant pattern used for ornament; as, a porcelain vase; a gold vase; a Grecian vase. 'No chargers then were wrought in burnished gold, Nor silver vases took the forming mold.' (Pope) ... 2. A vessel similar to that described in …

vasectomy
<procedure, surgery> A surgical sterilisation procedure performed in males where a segment of the vas deferens is removed. ... (27 Sep 1997) ...

vasifaction
Synonym for angiopoiesis ... Formation of blood or lymphatic vessels. ... Synonym: vasifaction, vasoformation. ... Origin: angio-+ G. Poiesis, making ... (05 Mar 2000) ...

vasifactive
Synonym for angiopoietic ... Relating to angiopoiesis. ... Synonym: vasifactive, vasofactive, vasoformative. ... (05 Mar 2000) ...

vasitis
Synonym for deferentitis ... Inflammation of the ductus deferens. ... Synonym: vasitis. ... (05 Mar 2000) ...

vasitis nodosa
An inflammatory condition of the vas deferens characterised by the presence of numerous epithelium-lined spaces with the muscularis and adventitia, often containing spermatozoa; usually seen after vasectomy, and may clinically and microscopically mimic adenocarcinoma. ... See: vas deferens ... (05 Mar 2000) ...

vaso-
Vas, blood vessel. ... See: vas-, vasculo-. ... Origin: L. Vas, a vessel ... (05 Mar 2000) ...

vaso-orchidostomy
<procedure> Reestablishment of the interrupted seminiferous channels by uniting the tubules of the epididymis or of the rete testis to the divided end of the vas deferens. ... Origin: vaso-+ G. Orchis, testis, + stoma, mouth ... (05 Mar 2000) ...

vasoactive
Exerting an effect upon the calibre of blood vessels. ... (18 Nov 1997) ...

vasoactive amine
A substance, such as histamine or serotonin, that contains amino groups and is pharmacologically characterised by its action on the blood vessels (altering vascular caliber or permeability). ... (05 Mar 2000) ...

vasoactive intestinal contractor
Mouse homologue of endothelin 2. ... (18 Nov 1997) ...

vasoactive intestinal peptide
<gastroenterology, protein> Peptide of 28 amino acids, originally isolated from porcine intestine, but later found in the central nervous system where it acts as a neuropeptide and is released by specific interneurons. May also affect behaviour of cells of the immune system. ... Acronym: VIP ... (05 Jan 1998) ...

vasoactive intestinal polypeptide
A polypeptide hormone secreted most commonly by non-beta islet cell tumours of the pancreas, producing copious watery diarrhoea and faecal electrolyte loss, particularly hypokalaemia; VIP increases the rates of glycogenolysis; stimulates pancreatic bicarbonate secretion. ... Synonym: vasoactive intestinal peptide. ... (05 Mar 2000) ...

vasoconstriction
The diminution of the calibre of vessels, especially constriction of arterioles leading to decreased blood flow to a part. ... (18 Nov 1997) ...

vasoconstrictive
1. Causing narrowing of the blood vessels. ... Synonym: vasoconstrictor. ... (05 Mar 2000) ...

vasoconstrictor
Something which causes vasoconstriction, or the narrowing of blood vessels so that less blood is able to flow through at a time. This can either be a chemical substance or a nerve. ... (09 Oct 1997) ...

vasoconstrictor agents
Drugs used to cause constriction of the blood vessels. ... (12 Dec 1998) ...

vasodentin
Dentin in which the primitive capillaries have remained uncalcified and so are wide enough to give passage to the formed elements of the blood. ... Synonym: vascular dentin. ... (05 Mar 2000) ...

vasodepression
Reduction of tone in blood vessels with vasodilation and resulting lowered blood pressure. ... (05 Mar 2000) ...

vasodepressor
1. Producing vasodepression. ... 2. An agent that produces vasodepression. ... (05 Mar 2000) ...

vasodepressor substance
An incompletely characterised chemical, apparently produced during liver damage, that tends to decrease vascular pressures and relax arterial walls. ... (05 Mar 2000) ...

vasodepressor syncope
Faintness or loss of consciousness due to reflex reduction in blood pressure. ... Synonym: vasovagal syncope. ... (05 Mar 2000) ...

vasodilatation
A state of increased calibre of the blood vessels. ... (18 Nov 1997) ...

vasodilation
The increase in the internal diameter of a blood vessel that results from relaxation of smooth muscle within the wall of the vessel. This causes an increase in blood flow, but a decrease in systemic vascular resistance. ... (27 Sep 1997) ...

vasodilative
1. Causing dilation of the blood vessels. ... Synonym: vasodilator. ... (05 Mar 2000) ...

vasodilator
<physiology> Causing dilation or relaxation of the blood vessels; as, the vasodilator nerves, stimulation of which causes dilation of the blood vessels to which they go. These nerves are also called vaso-inhibitory, and vasohypotonic nerves, since their stimulation causes relaxation and rest. ... Origin: L. Vas a vessel + dilator. ... Source: W …

vasodilator agents
Drugs used to cause dilation of the blood vessels. ... (12 Dec 1998) ...

vasodilators
Agents that act as blood vessel dilators (vasodilators) and open vessels by relaxing their muscular walls. For example, nitroglycerin is a vasodilator. So are the ace (angiotensin-converting enzyme) inhibitors. ... (12 Dec 1998) ...

vasoepididymostomy
<procedure> Surgical anastomosis of the vasa deferentia to the epididymis, to bypass an obstruction at the level of the mid to distal epididymis or proximal vas. ... Origin: vaso-+ epididymis + G. Stoma, mouth ... (05 Mar 2000) ...

vasofactive
Synonym for angiopoietic ... Relating to angiopoiesis. ... Synonym: vasifactive, vasofactive, vasoformative. ... (05 Mar 2000) ...

vasoformation
Synonym for angiopoiesis ... Formation of blood or lymphatic vessels. ... Synonym: vasifaction, vasoformation. ... Origin: angio-+ G. Poiesis, making ... (05 Mar 2000) ...

vasoformative cell
Synonym for angioblast ... A cell in the embryo which develops into blood vessel tissue. ... An embryonic mesenchymal tissue which differentiates into the blood cells and blood vessels. ... (09 Oct 1997) ...

vasoganglion
A mass of blood vessels. ... (05 Mar 2000) ...

vasogenic shock
Shock resulting from depressed activity of the higher vasomotor centres in the brain stem and the medulla, producing vasodilation without loss of fluid so that the container is disproportionately large. In oligaemic shock, blood volume is reduced; in both, return of venous blood is inadequate. ... (05 Mar 2000) ...

vasogram
<investigation> An X-ray study of the vas deferens. ... (09 Oct 1997) ...

vasography
Radiography of the vas deferens to determine patency, by injecting contrast medium into its lumen either transurethrally or by open vasotomy. ... Origin: vas + G. Grapho, to write ... (05 Mar 2000) ...

vasohypertonic
Relating to increased arteriolar tension or vasoconstriction. ... Origin: vaso-+ G. Hyper, over, + tonos, tone ... (05 Mar 2000) ...

vasohypotonic
Relating to reduced arteriolar tension or vasodilation. ... Origin: vaso-+ G. Hypo, under, + tonos, tone ... (05 Mar 2000) ...

vasoinhibitor
An agent that restricts or prevents the functioning of the vasomotor nerves. ... (05 Mar 2000) ...

vasoinhibitory
Restraining vasomotor action. ... See: vasodilator. ... (21 Jun 2000) ...

vasolabile
Characterizing the condition in which there is lability or active vasomotion of blood vessels. ... (05 Mar 2000) ...

vasoligation
Ligation of the vas deferens, usually after its division. ... (05 Mar 2000) ...

vasomotion
Change in caliber of a blood vessel. ... Synonym: angiokinesis. ... (05 Mar 2000) ...

vasomotor
1. <physiology> Affecting the calibre of a vessel, especially of a blood vessel. ... 2. Any element or agent that effects the calibre of a blood vessel. ... Origin: L. Motor = mover ... (18 Nov 1997) ...

vasomotor angina
Synonym for angina pectoris vasomotoria ... Angina pectoris in which the breast pain is comparatively slight, but pallor followed by cyanosis, and coldness and numbness of the extremities, are marked. ... Synonym: angina spuria, angina vasomotoria, pseudangina, pseudoangina, reflex angina, vasomotor angina. ... (05 Mar 2000) ...

vasomotor ataxia
A form of autonomic ataxia causing irregularity in the peripheral circulation, marked by alternations of pallor and suffusion, due to spasm of the smaller blood vessels. ... (05 Mar 2000) ...

vasomotor centre
Diffuse area of the reticular formation in the lateral medulla containing neurons that control vascular tone; consists of separate vasodepressor and vasopressor areas. ... (05 Mar 2000) ...

vasomotor epilepsy
Synonym for autonomic epilepsy ... Episodes of autonomic dysfunction presumably due to diencephalic irritation. ... Synonym: diencephalic epilepsy, vasomotor epilepsy, vasovagal epilepsy. ... (05 Mar 2000) ...

vasomotor fibres
Postganglionic visceral efferent fibres innervating the smooth muscles of vessel walls. ... (05 Mar 2000) ...

vasomotor imbalance
Synonym for autonomic imbalance ... A lack of balance between sympathetic and parasympathetic nervous systems, especially in relation to the vasomotor disturbances. ... Synonym: vasomotor imbalance. ... (05 Mar 2000) ...

vasomotor nerve
<anatomy, nerve> A motor nerve effecting or inhibiting contraction of the blood vessels. ... (05 Mar 2000) ...

vasomotor neurosis
A group of trophic disorders in which pathological changes occur in blood vessels, often due to autonomic nervous system dysfunction; includes Raynaud's disease, acrocyanosis, erythromelalgia, Buerger's disease, causalgia, and trench foot; archaic concept. ... Synonym: angioneurosis, vasoneurosis. ... (05 Mar 2000) ...

vasomotor paralysis
Synonym for vasoparesis ... A mild degree of vasoparalysis. ... Synonym: angioparesis, vasomotor paralysis. ... Origin: vaso-+ G. Paresis, weakness ... (05 Mar 2000) ...

vasomotor rhinitis
Congestion of nasal mucosa without infection or allergy. ... (05 Mar 2000) ...

vasomotor spasm
Spasmodic contraction of the smaller arteries. ... (05 Mar 2000) ...

vasomotor system
The neural systems which act on vascular smooth muscle to control blood vessel diameter. The major neural control is through the sympathetic nervous system. ... (12 Dec 1998) ...

vasoneuropathy
Any disease involving both the nerves and blood vessels. ... Origin: vaso-+ G. Neuron, nerve, + pathos, suffering ... (05 Mar 2000) ...

vasoneurosis
Synonym for vasomotor neurosis ... A group of trophic disorders in which pathological changes occur in blood vessels, often due to autonomic nervous system dysfunction; includes Raynaud's disease, acrocyanosis, erythromelalgia, Buerger's disease, causalgia, and trench foot; archaic concept. ... Synonym: angioneurosis, vasoneurosis. ... (05 Mar 2000)
vasoparalysis
Paralysis, atonia, or hypotonia of blood vessels. ... Synonym: angiohypotonia, angioparalysis. ... (05 Mar 2000) ...

vasoparesis
A mild degree of vasoparalysis. ... Synonym: angioparesis, vasomotor paralysis. ... Origin: vaso-+ G. Paresis, weakness ... (05 Mar 2000) ...

vasopressin
<protein> A peptide hormone released from the posterior pituitary lobe but synthesised in the hypothalamus. There are 2 forms, differing only in the amino acid at position 8: arginine vasopressin is widespread, while lysine vasopressin is found in pigs. Has antidiuretic and vasopressor actions. Used in the treatment of diabetes insipidus. ... …

vasopressin level
This test measures the amount of ADH in the serum. It is used to detect disorders that may affect the level of ADH in the serum. Normal values are: 0 to 4.7 pg/ml. Elevated ADH levels can indicate a CNS infection, fluid imbalance, CNS tumour, SIADH or acute porphyria. Low levels can indicate: diabetes insipidus or damage to the pituitary gland. ... …

vasopressin-resistant diabetes
Synonym for nephrogenic diabetes insipidus ... Diabetes insipidus due to inability of the kidney tubules to respond to antidiuretic hormone; X-linked inheritance, with full expression in males and partial defect in heterozygous females. ... Synonym: vasopressin-resistant diabetes. ... (05 Mar 2000) ...