CRAYFISH RETINULAR CELLS - INFLUENCE OF EXTRACELLULAR-SODIUM AND CALCIUM UPON RECEPTOR POTENTIAL

被引：7

作者：

HERNANDEZFALCON, J ^{[1
]}

FUENTESPARDO, B ^{[1
]}

机构：

[1] NATL AUTONOMOUS UNIV MEXICO,FAC MED,DEPT FISIOL,DIV POSGRADO & INVEST,APDO POSTAL 70250,MEXICO CITY 04510,DF,MEXICO

来源：

COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY | 1991年 / 100卷 / 04期

关键词：

D O I：

10.1016/0300-9629(91)90299-R

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

1. In crayfish, light stimulation of the retinular cells induces a depolarizing receptor potential. 2. Experiments were designed to determine the role of Na+ and Ca2+ on receptor potential during dark and light states. 3. Depolarization depends on Na+ and Ca2+ availability to the retinular cell. 4. Repolarization velocity and response duration depend on extracellular Ca2+ availability. 5. Light adaptation increases receptor potential dependence on calcium and sodium ions. 6. We analyse these results with respect to other invertebrate photoreceptors.

引用

页码：823 / 832

页数：10

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