成熟初期中华大蟾蜍卵母细胞内的钠钾离子浓度。
Intracellular sodium and potassium concentrations in oocytes of Bufo bufo at the beginning of maturation.
作者信息
Dick D A, Ho-Yen D O
出版信息
J Physiol. 1974 Sep;241(2):509-14. doi: 10.1113/jphysiol.1974.sp010669.
Abstract
- During the first phase of maturation in oocytes of Bufo bufo, after the growth phase but before ovulation, intracellular Na rises to 120 m-mole/l. cell water while K falls to 15 m-mole/l. cell water.2. At the same time, the ouabain-insensitive Na efflux and total Na influx both increase while the ouabain-sensitive Na efflux is unchanged.
摘要
- 在中华大蟾蜍卵母细胞成熟的第一阶段，在生长阶段之后但排卵之前，细胞内钠离子浓度升至120毫摩尔/升细胞内液，而钾离子浓度降至15毫摩尔/升细胞内液。2. 与此同时，哇巴因不敏感的钠外流和总钠内流均增加，而哇巴因敏感的钠外流不变。
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本文引用的文献
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Membrane permeability changes in amphibian eggs at ovulation.
J Cell Physiol. 1966 Jun;67(3):375-81. doi: 10.1002/jcp.1040670303.
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Water and electrolyte changes in amphibian eggs at ovulation.排卵时两栖类卵中的水和电解质变化
Exp Cell Res. 1965 Dec;40(3):664-7. doi: 10.1016/0014-4827(65)90245-4.
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Influence of exogenous ions on the events of maturation in Rana pipiens oocytes.外源离子对豹蛙卵母细胞成熟过程的影响。
J Cell Physiol. 1971 Feb;77(1):61-70. doi: 10.1002/jcp.1040770108.
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The activities and concentrations of sodium and potassium in toad oocytes.蟾蜍卵母细胞中钠和钾的活性与浓度
J Physiol. 1969 Nov;205(1):61-78. doi: 10.1113/jphysiol.1969.sp008951.
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