(n.) One who, or that which, dips; especially, a vessel used to dip water or other liquid; a ladle.
(n.) A small grebe; the dabchick.
(n.) The buffel duck.
(n.) The water ouzel (Cinolus aquaticus) of Europe.
(n.) The American dipper or ouzel (Cinclus Mexicanus).
Example Sentences:
(1) To determine the visual threshold, the intensity of light was reduced, from 100 Lx (starting point) by 10 Lx steps in each trial, until the subject made 10 non-response trials (i.e., no dipper approach within 1.0 sec after the light onset) among 10 trials.
(2) An equation, X = Y divided by 0.0016, allows estimation of absolute density (X) from a relative density index (Y, dipper count).
(3) Rats were trained to make various head movements to get water at a 3 x 3 array of holes, each with a recessed water-baited dipper.
(4) However, the formation of N-nitrosoproline in cigarette smokers and snuff dippers proves that smoke and snuff have a measurable potential for the endogenous formation of carcinogenic nitrosamines.
(5) Several clinical studies carried out in independent laboratories show that the target organ damage induced by hypertension (left ventricular hypertrophy, cerebrovascular lesions) is more severe in hypertensive "non dippers" than in "dippers", possibly because of the different duration of exposure to high BP levels over the 24 hours.
(6) There were differences between the different brands of snuff as regards the severity of the snuff dipper's lesion produced.
(7) The amounts of NNK and NNN in tobacco and tobacco smoke are high enough that their total estimated doses to long-term snuff-dippers or smokers are similar in magnitude to the total doses required to produce cancer in laboratory animals.
(8) Age, awake blood pressure, predicted whole blood viscosity, lipid profiles or quantity of sleep did not differ between the hypertensive dippers or non-dippers.
(9) A difference between the European robin and the dipper suggests that habitat may also influence background abundance.
(10) Water-deprived rats to respond for access to a water-filled dipper under a 20 response fixed-ratio schedule.
(11) With uncrossed conditions (Lum tests on Lum pedestals or Chr tests on Chr pedestals), we obtained the conventional dipper function, that is, the function of threshold test intensity was highly asymmetric about zero pedestal intensity, and strong pedestals induced strong masking.
(12) Keep your eyes peeled for Spawning salmon or sea trout, kingfishers or dippers, or even an otter or a seal in the river.
(13) The conceptual use of "snuff dippers' lesions" is recommended instead of e.g.
(14) The relation of the clinical picture of snuff dipper's lesions to the histopathological appearance was studied in 114 male dippers aged 20-88 years.
(15) In these patients, left ventricular mass seems to be greater in non-dippers than in dippers among women, but not in men.
(16) However, a second pattern of a dipper-type swallow occurred, in which part of the bolus initially is positioned beneath the anterior part of the tongue.
(17) Strong evidence suggests that the NNN and NNK in snuff are at least partially responsible for the excess of oral cancer among snuff dippers.
(18) "Reverse"-cigar smokers (who hold the burning end of cigars within the mouth), dippers (who place a mixture of Khaini-tobacco and slaked lime into the lower gingival groove) and users of tobacco-containing toothpaste (gudakhu) in Orissa, India, were examined for precancerous oral lesions, the frequency of micronucleated cells at 3 different intra-oral sites, and levels of tobacco-specific nitrosamines (TSNA) in the saliva.
(19) The apparatus consisted of an enclosure with two levers, two loudspeakers (in different locations), and a dipper feeder.
(20) Rats were trained on a multioperant baseline to respond on three different levers that resulted in either a food pellet, the presentation of a water dipper or an infusion of morphine.
Passerine
Definition:
(a.) Of or pertaining to the Passeres.
(n.) One of the Passeres.
Example Sentences:
(1) Corticotropin-releasing factor (CRF) was localized in the brains of two passerine species, the European starling (Sturnus vulgaris) and the song sparrow (Melospiza melodia), by means of immunohistochemistry.
(2) Adult trumpeters and both young and old passerines housed in the same exhibit were not affected.
(3) The low dose of reserpine in the passerine (common myna and bulbul) birds resulted in 40-84% reduction of both norepinephrine (NE) and epinephrine (E) from the adrenal glands irrespective of its nerve supply.
(4) Concentrations of mercury in passerine birds fed diets containing 40 ppm methylmercury were similar in tissues of birds that died from mercury poisoning and in those that were sacrificed after half the group had died.
(5) Paramyxovirus type 2(PMV-2) (Yucaipa-like), unreported in free-flying passerines in the Americas, was recovered from a finch, wren, and chicken, each from a different location.
(6) Song syntax, defined as orderly temporal arrangements of acoustic units within a bird song, is a conspicuous feature of the songs of many species of passerine birds.
(7) Gonadotropin-releasing hormone (GnRH) was detected in the brains of passerine birds, a recently evolved and diverse avian group.
(8) In a group of birds (passerines and non-passerines) body weight was found to be highly correlated with the length of the humerus and with the area of the foramen magnum.
(9) Antibodies to Uukuniemi viruses are found in passerine birds, small mammals, cattle and man.
(10) These values resemble diagnostic levels known for two species of passerine birds, but they exceed published levels for two free-tailed bats from Carlsbad Caverns, New Mexico.
(11) The results agreed with an empirical study on body weight in a passerine bird, the Great Tit, where only the asymptote displayed heritable variation and more genetic variance was expressed under good conditions.
(12) The present study determined the volume of the hippocampal complex and the telencephalon in 3 food-storing families and in 10 non-food-storing families and subfamilies of passerines.
(13) These data suggest that monoaminergic neurotransmitters may be involved in the mediation of steroid-dependent changes in singing behavior in passerine birds.
(14) These data show that, in contrast to some other species of passerine birds, the onset of photorefractoriness does not become fixed before the testes have undergone considerable development, and that the photoperiodic conditions experienced at the end of the testicular growth phase are still effective in determining the precise time of onset of photorefractoriness.
(15) Among the passerine birds, species that store food have an enlarged hippocampal region (dorso-medial cortex), relative to brain and body size, when compared with the non-storers.
(16) The left kidney of Australian passerines was significantly longer, on average, than the right.
(17) Investigation of the effect of variation in background abundance on measures of energy expenditure for small passerines (20 g) revealed that employing estimates, instead of direct measurements, had a minor influence over an experimental period of 1 day but could potentially introduce errors as large as 54% over a 2-day period.
(18) The species consisted of two passerines (songbirds), the European starling (Sturnus vulgaris) and the song sparrow (Melospiza melodia), and one galliform, the Japanese quail (Coturnix coturnix japonica).
(19) Borrelia burgdorferi, the causative agent of Lyme disease, was isolated from the liver of a passerine bird, Catharus fuscescens (veery), and from larval Ixodes dammini (tick) feeding on Pheucticus ludovicianus (rose-breasted grosbeak) and Geothlypis trichas (common yellowthroat).
(20) Free-flying passerine migrants respond to natural fluctuations in the earth's magnetic field.