Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 42221-42240 of 98424
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(1972)In contrast to experience in New York where the frequency of triiodothyronine (T3) toxicosis among hyperthyroid patients is 4%, 56 (12·5%) of 449 patients in Chile, an area of iodine deficiency, were hyperthyroid by clinical ...
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(1972)Neural activity in the torus semicircularis (colliculus) of the frog was studied. Tones of different frequency, intensity, and duration were used for stimulation of each ear or both ears simultaneously. Unit responses were ...
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(1972)Serial fetal heart rate (FHR) determinations were made from early pregnancy to term in 24 healthy fetuses by means of an ultrasonic device. A decreasing FHR pattern was noticed from the eleventh through the thirtieth weeks, ...
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(1972)Since iodine deficiency induces in the plasma a rise in the concentration of T3 and a proportional fall in the concentration of T4, the disposal rates of both hormones and the thyroid function were studied in iodine deficient ...
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(1973)Eine anfängliche Analyse der Wirkung der Vinca rosea L. Alkaloide wurde an induzierten Degenerationen von Rattenspermatogonien durchgeführt. Trotz der höheren mitotischen Indices der Typen B und In war die Degeneration ...
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(1968)Cytotoxic agents, cadmium, iodoacetate, thio-TEPA, podophyllin, colchicine, and alcohol, were instilled in one uterine horn of the rat to observe their subsequent effect on fertility. Cadmium and iodoacetate interfere with ...
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(1971)The effect of fast phases of vestibular nystagmus on evoked and spontaneous discharges of neurons in the lateral geniculate nucleus of the rat have been studied. In order to determine the central influence of saccadic ...
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(1971)Acute infusions of angiotensin II or dog renin into hypophysectomized nephrectomized dogs has no effect on the conversion of corticosterone to aldosterone. This conversion was measured in an isolated mitochondrial fraction ...
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(1972)Dental characteristics were studied on 60 skulls that belong to a population of Diaguitas Indians of approximately the Tenth Century. Mesiodistal crown diameters of permanent teeth were as follows: central incisors (8.77 ...
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(BMJ Publishing Group, 1972)Haemodynamic auscultatory, phonocardiographic, and haemodynamic radiological correlations were studied in 51 patients with proven atrial septal defect. A good correlation exists between the degree of left-to-right shunt ...
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A comparison of the size of the urinary bladder of two south american anurans of different habitat (1972)1. 1. A comparison is made between the urinary bladder capacities of two South American anurans, the fully aquatic Calyptocephalella caudiverbera and the fully terrestrial toad Bufo arunco. 2. 2. They have a urinary bladder ...
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(Lippincott Williams and Wilkins, 2004)
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(1971)Depth recording of photic evoked potentials of auditory and ectosylvian posterosuperior cortex of cat do not show reversal of polarity. Strychnine enhances only the auditory potentials. KCl has a depressor action on auditory ...
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(1971)Variable proportions of four kinds of cones with different coloured oil droplets, are distributed in all retinal quadrants. Pigeons can learn and generalize colour recognition in any portion of their visual field. Since ...
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(1971)This paper discusses, first, the selective pressures which led to the two basic types of animal eyes, compound vs. camera eyes. Secondly, it considers what is the significance of the apparent similarity of the wiring ...
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(1968)1. The quality of the protein in five high-protein mixtures intended for human consumption and made from materials that are available in Chile is reported. 2. The ingredients were fish flour, bread, wheat (Triticum sativum ...