A clinical study of meridional ridges.
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Biomedical subjects
Publications and source records attributed to M Shukla.
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We studied 1,000 eyes of 500 subjects in an attempt to discover a relationship between lattice and snail track degenerations of the peripheral retina. Because of the clinical similarities between these two degeneration lesions, we suggest that snail track degeneration is either a variant of or an early stage of lattice degeneration. Long-term follow-up of eyes with snail track degeneration is essential to detect any morphologic alteration in the lesions suggesting lattice degeneration.
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Effect of graded distension of urinary bladder has been observed on the circulating level of catecholamine, cortisol and serotonin along with arterial blood pressure in rabbits. Simultaneously adrenal catecholamine has been also investigated. Similar pattern of increase has been observed in the levels of catecholamine, cortisol, serotonin and arterial blood pressure after bladder distension at 20 ml, 40 ml and 60 ml volumes. On this basis, it may be inferred that there is some role of the vasoconstrictor humors released during bladder distension in pressor response. At the same time, decrease in adrenal catecholamine level also supports this.