(a.) Wearing a mask or masks; characterized by masks; cincealed; hidden.
(a.) Same as Personate.
(a.) Having the anterior part of the head differing decidedly in color from the rest of the plumage; -- said of birds.
Example Sentences:
(1) The blocking action may have masked and hindered detection of the stimulatory action of barium in other systems.
(2) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
(3) Though immunocytochemistry did not show staining of synaptic regions this may be due to masking of the reactive epitope.
(4) Such factors can mask any interactions between biologic factors of the aging female reproductive system and other social factors that might otherwise detemine fertility during the later reproductive years.
(5) The interresponse-time reinforcement contingencies inherent in these schedules may actually mask the effects of overall reinforcement rate; thus differences in response rate as a function of reinforcement rate when interresponse-time reinforcement is eliminated may be underestimated.
(6) In gastric cancers the major finding was the occurrence of extensive masking of lectin binding sites by sialic acid which was not seen in normal mucosa.
(7) The expression of such secondary and tertiary syphilis is commonly masked and distorted by the long-term effects of subcurative doses of antibiotics; in fact, late latent and tertiary syphilis produce symptoms and immunosuppression similar to the profile of AIDS.
(8) After induction of anesthesia, the airway of those in group A was maintained with a conventional tracheal tube; in group B, with a laryngeal mask airway.
(9) To determine if the type of mechanical ventilation used (ie, face mask, nasal prongs, or endotracheal tube) was associated with GPNN, a matched case-control analysis was performed.
(10) Data were analyzed by investigators who were masked to treatment assignment or phase of study.
(11) The air entrainment devices from oxygen masks of four manufacturers (Henleys Medical Supplies Ltd, Vickers Medical, Intersurgical Ltd, C R Bard International Ltd) were studied.
(12) North Korea's blustering defiance at the annual US-South Korean exercises masks just a little fear that they could easily be turned into an all-out attack, and seems to work on the principle that the more you shout, the safer you will be.
(13) Since headache can often represent the warning symptom of a masked depression, in the present study sulpiride has been administered to patients suffering from nonorganic headache syndromes.
(14) • Police would be given discretion to remove face masks from people on the street "under any circumstances where there is reasonable suspicion that they are related to criminal activity".
(15) Analyses of this artificial curve allow estimation of that part of the internal interactions uninfluenced by the masking effect.
(16) Compared to previous masking studies of orientation selective units, non-oriented units have somewhat broader spatial frequency sensitivity curves, in agreement with primate neurophysiology.
(17) The contralateral masked condition was performed using 30-dB-SL 400-Hz narrow-band masking noise centered at frequency of test tone.
(18) But the research drills down into the data to examine different cohorts separately, and discovers that reassuring overall averages are masking some striking variations.
(19) Older subjects were found to be significantly more susceptible to the backward masking effect over longer delays between the target and masking stimuli.
(20) We have compared an alternative breathing system for preoxygenation comprising a Hudson face mask with high oxygen inflow (48 litre min-1) and a Mapleson A breathing system (100 ml kg-1 min-1).
Massed
Definition:
(imp. & p. p.) of Mass
Example Sentences:
(1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
(2) Blood samples were analysed by mass spectroscopy and gas chromatography.
(3) Bilateral symmetric soft-tissue masses posterior to the glandular tissue with accompanying calcifications should suggest the diagnosis.
(4) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
(5) The clinically normotensive cases had greater left ventricular mass than the normotensive controls (p less than 0.02).
(6) CT scan revealed a small calcified mass in the right maxillary sinus.
(7) The article describes an unusual case with development of a right anterior mediastinal mass after bypass surgery with internal mammary artery grafts.
(8) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
(9) The groups were matched with regard to sex, age and body mass index.
(10) Based on the deduced amino acid sequence, rpL8 has a mass of 28,605 Da, a pI of 11.97, and contains 9.6% Arg and 11.9% Lys.
(11) All masses had either histologic confirmation (n = 11) or confirmation with other imaging modalities (n = 4).
(12) A neonate without external malformation had undergone removal of a nasopharyngeal mass containing anterior and posterior pituitary tissue.
(13) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
(14) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(15) This can be achieved by sincere, periodic information through the mass media.
(16) However, the effects of such large-scale calvarial repositioning on subsequent brain mass growth trajectories and compensatory cranio-facial growth changes is unclear.
(17) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
(18) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
(19) Variability (CV = 0.7%) in body volume of a 45-year-old reference man measured by SH method was very similar to variation (CV = 0.6%) in mass volume of the 60-1 prototype.
(20) The masses were solitary and located in the retroperitoneum (five cases), mediastinum (one case), and axilla (one case).