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Science 14 January 1977:
Vol. 195. no. 4274, pp. 203 - 205
DOI: 10.1126/science.831273
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Articles

Science, Vol 195, Issue 4274, 203-205
Copyright © 1977 by American Association for the Advancement of Science

articles

Chloride transport across isolated opercular epithelium of killifish: a membrane rich in chloride cells

KJ Karnaky Jr, KJ Degnan, and JA Zadunaisky

The opercular epithelium of Fundulus heteroclitus contains typical gill chloride-secreting cells at the high density of 4 X 10(5) cells per square centimeter. When isolated, mounted as a membrane, and short-circuited, it actively transports chloride ions from the blood side to the seawater side of the preparation. This preparation offers a useful approach to the study of osmoregulation in bony fishes.


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