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Barium suppresses slow PIII in perfused bullfrog retina
Under the appropriate conditions a large, slow, negative-going potential change can be recorded from the vertebrate retina in response to a light stimulus. This slow PHI, as it has come to be called,Expand
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Surgical guide to circumcision
Introduction.- Part I Prelude to Circumcision.- 1 Current Circumcision Trends and Guidelines.- 2 Informed Consent: Principles for Elective Circumcision.- Part II Anatomy of Circumcision.- 3Expand
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Current Circumcision Trends and Guidelines
Most consensus statements are made after clear consideration of the evidence at hand tempered by local politics. Routine circumcision was the norm in Great Britain, Canada, and the USA until afterExpand
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Electrocardiograms from the chicken, emu, red-tailed hawk and Chilean tinamou
Abstract 1. 1. The three standard limb leads and back lead electrocardiograms were recorded from the anesthetized chicken, two emus, a red-tailed hawk and Chilean tinamou. 2. 2. The morphology of theExpand
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The effect of lead on photoreceptor response amplitude--influence of removing external calcium and bleaching rhodopsin.
The relationship between the effect of lead on the amplitude of the photoreceptor response to light and the ability of the photoreceptor response to be enhanced by a light stimulus was studied in theExpand
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The effects of lead and of cadmium on the mass photoreceptor potential: the dose-response relationship.
The effects of micromolar (1.0-60.0 microM) amounts of lead and of cadmium on the light response of photoreceptors were studied using the isolated, perfused bullfrog retina. The effect of lead inExpand
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The effect of lead on photoreceptor response amplitude--influence of the light stimulus.
The mass receptor potential of the excised, superfused retina of the bullfrog was studied. Photoreceptor responses were isolated by addition of sodium aspartate to the Ringer solutions. Responses ofExpand
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The effect of temperature on rapid dark adaptation in bullfrog photoreceptors—A difference between rods and cones
Abstract The late receptor potential of the perfused bullfrog retina was isolated with sodium-aspartate. Rapid dark adaptation of the rods and of the cones was monitored independently of one another.Expand
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Barium delays the onset of rapid dark adaptation in bullfrog cones.
The late receptor potential of the excised, perfused bullfrog retina was isolated with sodium aspartate. By employing a three-flash technique, cone responses were monitored without interference fromExpand
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Rapid dark adaptation of bullfrog rods is delayed by barium.
With use of sodium aspartate, the late receptor potential of the excised, perfused bullfrog retina was isolated. By means of a two-flash technique, rapid dark adaptation of rods was monitored. As inExpand
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