(n.) Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above another; as, the altitude of a mountain, or of a bird above the top of a tree.
(n.) The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either true or apparent; true when measured from the rational or real horizon, apparent when from the sensible or apparent horizon.
(n.) The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc.
(n.) Height of degree; highest point or degree.
(n.) Height of rank or excellence; superiority.
(n.) Elevation of spirits; heroics; haughty airs.
Example Sentences:
(1) The development of pulmonary edema in high-altitude residents with upper respiratory infections and no antecedent low-altitude journey is consistent with the presence of other factors such as inflammation, which may play a role in the pathogenesis of the edema.
(2) It is shown that the combined effects of altitude and wind assistance yielded an increment in the length of the jump of about 31 cm, compared to a corresponding jump at sea level under still air conditions.
(3) Eight men and eight women each performed peak oxygen intake tests on a cycle ergometer breathing ambient air and a mixture of 12% oxygen in nitrogen (equivalent to an altitude of 4400 m) in the two experiments.
(4) Treatment and prevention of menstrual disorders of women at high altitudes could be carried out by invigorating Qi, regulating blood, promoting the flow of Qi, by warming the channel and regulating Zang and Fu, etc.
(5) Therefore, the hypothesis of a fetal sensori-neural hearing loss due to oxygen lack was tested in the following animal models: a) Adult cats to which feline red blood cells were infused thus causing a polycythemia similar to fetal conditions; b) Adult rats acclimated to altitude in a hypobaric chamber, inducing erythropoiesis with elevated hematocrit and hemoglobin; c) Neonatal guinea pigs and goats studied when they were less than 12 hours old so that the fetal compensatory mechanisms were still present.
(6) Previously, we found resting metabolic rate increased at high altitude but the mechanism and consequences of this increase were unclear.
(7) These data suggest that the positive relationship between pelleted feeds and incidence of ascites observed at high altitudes also exists at lower elevations.
(8) The dogs were housed in gravel-based, outdoor pens with doghouses in a high-altitude, high-sunshine level environment.
(9) Cabin altitudes ranged from sea level to 8,915 feet (2717 m).
(10) Rats were exposed to crhonic hypobaric hypoxia at a simulated altitude of 4250 m for 3, 6, 9, 12, 20, and 35 days.
(11) These data indicate that, compared with animals at sea level, animals at altitude have an increased body burden of COHb and will attain the COHb level associated with the National Ambient Air Quality Standard for CO more quickly when breathing CO.
(12) During rest at high altitude, a 32% decrease in coronary blood flow was largely offset by a 28% increase in coronary arterial O2 extraction to maintain myocardial O2 delivery.
(13) The importance of including highaltitude pulmonary edema in the differential diagnosis of any patient who is admitted with coma after a sojourn at high altitude is stressed.
(14) At altitude, temazepam led to less wakefulness and to drowsy sleep--there were no prolonged sleep latencies.
(15) We investigated acute and chronic hypoxic pulmonary pressor responses in two groups of calves, one bred to be susceptible, the other resistant to high-altitude pulmonary hypertension.
(16) The following species features of this animals are associated with their adaptation to high-altitude hypoxia: organization of alpha-granules, mitochondria, the contractile system (microtubes, F-actin), ovoid form of platelets.
(17) Therefore, myocardial hypoxia is not the basis for the decrease in cardiac stroke volume at high altitude reported previously and also observed in the present study.
(18) Thus, the amount of lung vascular smooth muscle inherent within each species is a major determinant of the pulmonary hypertensive response to high altitude and contributes to the interspecies variability in this response.
(19) The turnover time of NE in the hypothalamus remained unchanged, regardless of the altitude, while in the rest of the brain the rate constant of neurotransmitter elimination decreased inversely as a linear function of the degree of hypoxia.
(20) Rats trained to the high-altitude hypoxia displayed signs of intensification of both the plastic and lytic processes; one of these processes prevailed in different cells.
Vertical
Definition:
(a.) Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one.
(a.) Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line.
(n.) Vertical position; zenith.
(n.) A vertical line, plane, or circle.
Example Sentences:
(1) Vertical gratings are tinged with green and horizontal gratings with pink.
(2) A modification of Mason's vertical banded gastroplasty for morbid obesity is presented, along with experience from 62 treated patients.
(3) When compared with lissencephalic species, a great horizontal fibrillary system (which is vertically arranged in gyral regions) was observed in convoluted brains.
(4) The relapse was 80% in the sagittal plane, 70% in the transverse plane, and 12% in the vertical plane.
(5) However, the effect of prior jaw motion and the effect of the recording site on the EMG amplitudes and on the vertical dimension of minimum EMG activity have not been documented.
(6) Results on resting blood pressure, serum lipids, vital capacity, flexibility, upper body strength, and vertical jump tests were comparable to values found for the sedentary population.
(7) We performed a prospective study on 68 eyes of 68 patients to compare the vertical cup-disk ratio obtained with the video-ophthalmograph to that obtained with manual analysis of black-and-white stereoscopic photographs.
(8) 3-D curves were computed with an apparent rotation around the vertical axis Z.
(9) The following oculomotor paradigms were investigated: horizontal and vertical saccades of different sizes (10-80 degrees), smooth pursuit eye movements, optokinetic and vestibular nystagmus.
(10) From a psychological-vertical aspect the group is rather a common situation in which the individual members remain in their experience separated from each other.
(11) Single vertical spin and electron microscopy analyses of these HDL subpopulations demonstrated that acid elution from the affinity columns caused no detectable change in size and density of the three subpopulation particles.
(12) 'Vertical' sections are plane sections longitudinal to a fixed (but arbitrary) axial direction.
(13) Although active head movements reversed horizontal vestibulo-ocular reflexes, vertical vestibulo-ocular reflexes in light and darkness were normal.
(14) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
(15) These observations suggest that the persistently mobile, vertically positioned unbonded cup remain stable despite the stress of significant trauma.
(16) First, the possibility of "vertical" transmission of the virus was examined, as the Papio stock in Sukhumi was genetically homogeneous.
(17) The "lazy-T" technique consists of a surgical horizontal and vertical shortening of the involved portion of the lower eyelid.
(18) The LVOR in the presence of visual targets (VLVOR) was tested by recording human vertical eye and head movements during self-generated vertical linear oscillation (averaging 2.7 Hz at peak excursion of 3.2 cm) while subjects alternately fixated targets at D = 36, 142, and 424 cm.
(19) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
(20) Accommodation measurements of nine young, emmetropic subjects were obtained with an infrared optometer while they viewed superimposed horizontal and vertical square-wave gratings at various dioptric separations.