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Biol Bull 99: 439-445. (December 1950)
© 1950 Marine Biological Laboratory
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ADAPTIVE CHANGES IN THE CHLORIDE CELLS OF ANGUILLA ROSTRATA

HERBERT C. GETMAN 1

1 Arnold Biological Laboratory, Brown University and The Marine Biological Laboratory

1. The shape of the chloride cells in the gill of Anguilla rostrata varies with their position in the filament. The cells along the free edge have a thin, spindle shape, while those at the bases of the respiratory platelets are more round.

2. Eels adapted to sea water exhibit narrow pits at the free surface of the chloride cells that are located along the afferent artery.

3. The presence of many pits is characteristic of sea water adaptation, but animals adapted to fresh water also possess an occasional pitted cell.

4. The varying number of pits in fresh and sea water adapted animals is correlated with the findings from previous physiological studies of osmotic adaptation.






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Copyright © 1950 by the Marine Biological Laboratory.