What's the difference between unmask and unvisard?

Unmask

Definition:

(v. t.) To strip of a mask or disguise; to lay open; to expose.
(v. i.) To put off a mask.

Example Sentences:

(1) Day by day we strive to unmask all the lies told to citizens.
(2) These data indicate that Ba2+ blocked the major K+ conductance(s) of the RPE apical membrane and unmasked a slowing of the normally hyperpolarizing electrogenic Na+-K+ pump caused by lowering [K+]o.
(3) These data indicate that ACE inhibitors are able to unmask a release of bradykinin from cultured human endothelial cells.
(4) These antibodies recognized only this epitope when unmasked from the entire precursor, allowing the detection of the [1-72] domain which was isolated from pancreatic islets extracts.
(5) Finally, three mechanisms are discussed that contribute to the absence of unmasking by masker fluctuations in hearing-impaired listeners.
(6) Intravenous dipyridamole-thallium imaging unmasks ischemia in patients unable to exercise adequately.
(7) In this experiment, observers were asked to match the loudness of partially masked test-tone bursts in one ear by adjusting the level of unmasked bursts presented to the other ear.
(8) Fractionation by Percoll density centrifugation of peripheral blood leucocyte cells, from atopic subjects with seasonal hay fever, unmasked IgE-B cell populations whose individual capacities to synthesize IgE in vitro were obscured in cultures of unfractionated B cells.
(9) Pb also appeared to unmask an afterdischarge in some neurons following noxious mechanical stimulation.
(10) Since LOH is supposed to unmask the recessive mutation of tumor suppressor gene in the remaining allele, these results may imply that at least six genetic alterations are necessary to convert a normal cell into a fully malignant cancer cell in SCLC.
(11) Simultaneous addition of vasopressin or cyclic AMP (+ theophylline) and NTCB resulted in marked synergism, presumably as a result of unmasking of SH groups by the the hormone (or the intermediate).
(12) Sialidase-induced desialylation of these natural substrates unmasks saccharides that are specifically recognized by the peanut agglutinin lectin (PNA).
(13) This treatment also decreased the amount of herpes-specific IgG and IgM detected by radioimmunoassay, whereas it increased and even unmasked the amount of herpes-specific IgA detected.
(14) Therefore, the effect of BHQ appears to involve unmasking of passive Ca(2+)-permeation pathways in the plasma and intracellular membranes that do not respond to cholecystokinin octapeptide, following its described inhibition of the internal-store Ca2+ pumps responsible for accumulating Ca2+ in these pools.
(15) Lastly this investigation was conducted both in normal and endotoxin (lipopolysaccharide from Escherichia coli) treated HI and LI mice in an attempt to unmask the hypothesized difference by increasing the macrophage oxidative response capacity.
(16) These analyses unmasked unique attributes of spontaneous LH secretory events, which were represented as delimited momentary augmentations in endogenous LH secretory rates interspersed among intervals of relative secretory quiescence.
(17) We investigated which components of the cytosol mimicking medium are important for latency of DHAP-AT and unmasking of latent DHAP-AT activity by ATP.
(18) L-NOARG (10(-5) M) abolished all relaxation, and unmasked a contractile component; D-NOARG had no effect.
(19) Ashley probably hasn’t had any sleep this week, so hopefully he’s left the spooky eyebags unmasked.
(20) Interruption of vagal reflexes by cervical vagotomy prevents these inhibitory responses but does not unmask expected increases in either renal SNA or HR.