Characterization of the adrenergic receptors regulating chloride secretion by the opercular epithelium
β Scribed by Susan A. May; Keith H. Baratz; Simon A. Key; Kevin J. Degnan
- Publisher
- Springer-Verlag
- Year
- 1984
- Tongue
- English
- Weight
- 540 KB
- Volume
- 154
- Category
- Article
- ISSN
- 0174-1578
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## Abstract The effects of ion substitutions on the Cl^β^ secretion rate and tissue conductance of isolated shortβcircuited opercular epithelia from seaβwaterβadapted __Fundulus heteroclitus__ were investigated. Serosal Na^+^ substitution had the same effect on the Cl^β^ secretion rate that serosal
The isolated, short-circuited opercular epithelium of Fundulus heteroclitus, secretes Cl- by a mechanism dependent on the presence of serosal Na+ and inhibited by bumetanide and furosemide. Under serosal Na+-free conditions the active Cl- secretion is abolished. However, subsequent elevations of int