What's the difference between vas and vast?

Vas


Definition:

  • (n.) A vessel; a duct.

Example Sentences:

  • (1) A segment of vas deferens was transplanted to the contralateral deferens with the intention of improving treatment for certain cases of infertility caused by obstruction.
  • (2) To minimise the risk of recanalisation (0.2%), 20 mm of vas deferens was resected.
  • (3) At a concentration of 10 microM, tetraamine 4 did not affect histamine and 5-hydroxytryptamine receptors of guinea pig ileum or alpha-adrenoreceptors of guinea pig atria whereas it inhibited postsynaptic alpha-adrenoreceptors of rat vas deferens with a -log K value of 5.23 and nicotinic receptors of frog rectus abdominis with an IC50 value of 0.23 microM.
  • (4) Emphasis is placed on techniques that prevent spontaneous recanalization of the ends of the vas deferens after vasectomy.
  • (5) After properly fixing the vas deferens with a ring clamp, the surgeon pierces the scrotal skin, vas sheath, and vas deferens in the midline with a curved dissecting clamp held at a 45 degree angle from horizontal.
  • (6) The acrosin inhibitors are localized in the mucosa cells of the cauda epididymis, the vas deferens, the seminal vesicles, the urethra and distinct glandular units of the prostate.
  • (7) It is thus concluded that the active core for the morphine like activity in the mouse vas deferens bioassay is the fragment 61-65 of beta-LPH.
  • (8) Microsurgical vasovasostomy for the reversal of elective bilateral segmental vasectomy (vasectomy, vas ligation) was done in 57 patients (61 operations) between May 1977 and March 1984.
  • (9) There was a significant positive correlation between the efflux of noradrenaline from platelets and vas deferens (r = 0.56, P less than 0.001).
  • (10) Supersensitivity to noradrenaline was produced by both of the stereoisomers in isolated vas deferens of guinea-pigs although there was no difference in the activity.
  • (11) At lesser intensities, VAS occasionally produced a small pressor response.
  • (12) Probably there is a continuity of this system throughout the entire vascular pole including (1) all granulated cells, (2) all lacis cells, (3) the mesangium cells and (4) the adjacent smooth muscle cells of the vas afferens and vas efferens.
  • (13) Pain scores (VAS) and responses to a pain questionnaire were similar for both groups; however, within Group B improvement in mean VAS scores at rest with time were more sustained.
  • (14) Various techniques have been described, but in this surgeon's opinion the simplest and best method is to remove a length of a vas such that it becomes a physical impossibility to approximate the cut ends.
  • (15) A 10-month-old boy with a crossed ectopic testis and a common vas deferens is presented.
  • (16) Within the epididymis, regions closest to the testis develop soluble ACE activity about 1 week before those nearest to the vas deferens.
  • (17) Pretreatment of the vas deferens with both HNBTG and 2'-deoxycoformycin eliminated the difference in inhibitory potency between adenosine and 2-chloroadenosine.
  • (18) We interpret these results to indicate that angiotensins stimulate PGE production by adrenergic nerves in the vas deferens and that released norepinephrine mediates a part of the PGE production in response to the angiotensins.
  • (19) The effects of the ATP affinity label periodate-oxidized ATP (ATP-2',3'-dialdehyde; P-ATP) on contractile responses of the guinea pig vas deferens to ATP was characterized and compared to the effects of the specific P2x-purinoceptor photoaffinity label antagonist, arylazido aminopropionyl ATP (ANAPP3).
  • (20) Knowledge of the mechanical properties of the vas deferens is important in order to understand the mechanical interaction between an intravasal device (IVD) and the vas deferens--a necessary step for successful long-term implantation.

Vast


Definition:

  • (superl.) Waste; desert; desolate; lonely.
  • (superl.) Of great extent; very spacious or large; also, huge in bulk; immense; enormous; as, the vast ocean; vast mountains; the vast empire of Russia.
  • (superl.) Very great in numbers, quantity, or amount; as, a vast army; a vast sum of money.
  • (superl.) Very great in importance; as, a subject of vast concern.
  • (n.) A waste region; boundless space; immensity.

Example Sentences:

  • (1) It is a place that occupies two thirds of our planet but very little is known of vast swaths of it.
  • (2) In this phase the educational practices are vastly determined by individual activities which form the basis for later regulations by the state.
  • (3) The effects of brain injury can be catastrophic and long-term so the impact of more research would be vast, but affected numbers are too small so it loses out.
  • (4) Does anybody honestly believe the vast majority of migrants don’t want that too?
  • (5) The vast majority of small cells were probably displaced amacrine cells.
  • (6) I never had any doubt that the vast majority of people engaged in "business" are not the exploiters but the exploited.
  • (7) In response, detainees – the vast majority of them failed asylum seekers who have committed no crime – waved and shared messages of solidarity.
  • (8) Not because we are “chippy, moronic gits” (thank you, Twitter), but because we do not see the social benefit of a two-tier education system that provides a small minority with vastly more opportunities than the rest.
  • (9) It is important to pay attention to the outcome of this study in (postgraduate) education for general practitioners, as they treat the vast majority of urethritis patients.
  • (10) The drugs used in early studies - diuretics, vasodilators and reserpine - greatly improved mortality from malignant hypertension, apoplectic stroke and congestive heart failure, but had little or no effect in persons with milder degrees of elevated blood pressure, who constitute the vast majority of hypertensives.
  • (11) We report that specific human (dC-dA)n.(dG-dT)n blocks are polymorphic in length among individuals and therefore represent a vast new pool of potential genetic markers.
  • (12) The discovery of this vast tranche of documents has prompted historians to suggest that a major reappraisal of the end of Britain's empire will be required once these materials have been digested – a "hidden history" if ever there were one.
  • (13) The vast majority of the epithelial cells were secretory, and the rest were ciliated.
  • (14) Even the landscape is secretive: vast tracts of crown land and hidden valleys with nothing but a dead end road and lonely farmhouse, with a tractor and trailer pulled across the farmyard for protection.
  • (15) Lethal pulmonary embolism is associated with hypoxemia and hypocapnia in the vast majority of cases.
  • (16) The vast majority of members would rather have a quiet body, offering technical assistance here and there and convening an occasional summit.
  • (17) Europe was never going to be another America or Soviet Union, with one constitution imposing national homogeneity over vast distances, and with people and investment migrating ceaselessly in search of employment.
  • (18) In the southern state of Karnataka, corruption is blamed for uncontrolled mining in vast areas of protected forest.
  • (19) Mali: a guide to the conflict Read more In response, the Tuareg separatists attacked military and police points as far as Tenenkou in the south, to prove it still controlled vast swaths of the desert territory.
  • (20) The vast majority of the subjects had correctly been given the diagnosis of cerebrovascular disease.

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