Neuroendocrinology of Osmoregulation in Crabs

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概要

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• Neuroendocrine factors regulate water and salt movements in hyperregulating crabs. Two factors are found in the thoracic ganglion and hemolymph. A water soluble factor decreases water influx while an acetone soluble factor increases influx into the animal via the posterior gills. Dopamine, found in the pericardial organ, and cAMP increase sodium uptake in the gill. Addi-tionally, these compounds increase Na^+K^+ATPase activities of the gills. Na^+K^+ATPase is an adaptive enzyme, responding to decreases in the environmental salinity. Exposure of crabs to dilute salinity also causes increases in heart rates in response to cardioexcitors of the pericardial organ. All of these activities are involved in the integration of osmoregulation in crabs.

• 社団法人日本動物学会の論文
• 1991-10-15

著者

• Kamemoto Fred

  Department Of Zoology University Of Hawaii At Manoa

• Kamemoto Fred

  Department Of Zoology University Of Hawaii

関連論文

• Neuroendocrinology of Osmoregulation in Crabs
• Neuroendocrine Regulation of Na^+-K^+ Stimulated, Mg^ Dependent ATPase Activity in the Crayfish Kidney(生理・生化学)

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