| VAS | vascular; ventriculo-atrial shunt; Verapamil Angioplasty Study; vesicle attachment site; viral arthr... |
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| VAS RAD | vascular radiology |
| vas collaterale | A branch of an artery running parallel with the parent trunk, a vessel that runs in parallel with another vessel, nerve, or other long structure. Synonym: vas collaterale. (05 Mar 2000) |
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| vas efferens | A vein carrying blood away from a part. Synonym: efferent lymphatic. Synonym: efferent glomerular arteriole. Synonym: efferent ductules of testis. (05 Mar 2000) |
| vas lymphaticum | Pertaining to, containing, or conveying lymph. 2. Madly enthusiastic; frantic. " Lymphatic rapture. " . <anatomy> [See Lymphate] Lymphatic gland, a temperament in which the lymphatic system seems to predominate, that is, a system in which the complexion lacks colour and the tissues seem to be of loose texture; hence, a temperament lacking energy, inactive, indisposed to exertion or excitement. See Temperament. Origin: L. Lymphaticus distracted, frantic: cf. F. Lymphatique. 1. <anatomy> One of the lymphatic or absorbent vessels, which carry lymph and discharge it into the veins; lymph duct; lymphatic duct. 2. A mad enthusiast; a lunatic. Source: Websters Dictionary (01 Mar 1998) |
| vas lymphaticum afferens | A lymphatic vessel entering, or bringing lymph to, a node. Synonym: vas lymphaticum afferens, afferent vessel. (05 Mar 2000) |
| vas lymphaticum efferens | vas efferens |
| vas lymphaticum profundum | One of the vessels that drain lymph from the deep structures of the body; they tend to follow the courses of blood vessels to reach regional lymph nodes. Synonym: vas lymphaticum profundum. (05 Mar 2000) |
| vas lymphaticum superficiale | One of the lymphatic vessels that lie in the skin and subcutaneous tissues; they join the deep lymphatic vessels. Synonym: vas lymphaticum superficiale. (05 Mar 2000) |
| vas prominens ductus cochlearis | A blood vessel in the substance of the spiral prominence of the cochler duct. (05 Mar 2000) |
| vas spirale | A blood vessel, larger than its fellows, running in the tympanic layer of the basilar membrane just beneath the tunnel of Corti. (05 Mar 2000) |
| Haller's vas aberrans | A narrow, coiled tubule frequently connected to the first part of the ductus deferens or to the lower part of the ductus epididymitis. Synonym: ductulus aberrans inferior, Haller's vas aberrans. (05 Mar 2000) |
| ampulla | Origin: L. 1. A narrow-necked vessel having two handles and bellying out like a jug. 2. A cruet for the wine and water at Mass. The vase in which the holy oil for chrism, unction, or coronation is kept. 3. <biology> Any membranous bag shaped like a leathern bottle, as the dilated end of a vessel or duct; especially the dilations of the semicircular canals of the ear. Source: Websters Dictionary (01 Mar 1998) |
| ampulla canaliculi lacrimalis | A slight dilation at the angle of the lacrimal canaliculus immediately beyond the lacrimal punctum. Synonym: ampulla canaliculi lacrimalis. (05 Mar 2000) |
| ampulla chyli | A dilated sac at the lower end of the thoracic duct into which the intestinal trunk and two lumbar lymphatic trunks open; it occurs inconstantly and when present is located posterior to the aorta on the anterior aspect of the bodies of the first and second lumbar vertebrae. Synonym: ampulla chyli, chyle cistern, chylocyst, Pecquet's cistern, Pecquet's reservoir, receptaculum chyli, receptaculum pecqueti. (05 Mar 2000) |
| ampulla ductus deferentis | The dilation of the ductus deferens where it approaches its contralateral partner just before it is joined by the duct of the seminal vesicle. Synonym: ampulla ductus deferentis, Henle's ampulla. (05 Mar 2000) |
| ampulla ductus lacrimalis | Incorrect term for ampulla of lacrimal canaliculus. (05 Mar 2000) |