<Originals>Spreading Depression in Isolated Frog Retina with Special References to the Retinal Sensitivity and Absorbance Change

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概要

• 論文の詳細を見る

• Spreading depression (SD) is a long-lasting negative response which was first defined in the cerebral cortex. In the retina, embryologically a part of brain, the SD can be evoked photically under special conditions. We examined the minimum light intensity required for triggering SD in the isolated frog retina and found that the threshold of SD when expressed as the log intensity of light was linearly related to the rhodopsin concentration in the retina. The absorbance measurements of the retina during SD revealed the decrease of absorbance at wavelengths from 350 to 650 nm. The magnitude of the change was largest at 350 nm and smallest at 650 nm, indicating that the absorbance change is due to the light scattering within the retinal tissue. The temporal relation of the absorbance change to the potential change associated with SD was also discussed.

• 近畿大学の論文
• 1980-12-28

著者

• Hanawa Isao

  Department Of Physiology Kobe University School Of Medicine

• MATSUURA Tetsuji

  First Department of Physiology, Kinki University School of Medicine

• Matsuura Tetsuji

  First Department Of Physiology Kinki University School Of Medicine

関連論文

• Spreading Depression in Isolated Frog Retina with Special References to the Retinal Sensitivity and Absorbance Change

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