Summary
The ability of brine shrimp nauplii (Artemia salina L.) to exist in a wide range of salinities results from an active excretion of sodium ions from the body into the external environment. Localization of NaCl in the neck organ suggests that this is the site of salt secretion. Ultrastructural studies support this view, the structure of the neck organ being characteristic of salt glands in the adult brine shrimp and other organisms.
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This is the first article in a series; the second article appeared already in Vol. 79 (Hootmanet al.).
This work was supported by NSF grant 30-262-1547 and AEC grant RLO 2227-T13-1. The authors wish to express their gratitude to Prof. D. Eugene Copeland for use of the photograph of the adultArtemia with AgNO3-stained branchial metepipodites (Fig. 2A).
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Conte, F.P., Hootman, S.R. & Harris, P.J. Neck organ ofArtemia salina nauplii. J. Comp. Physiol. 80, 239–246 (1972). https://doi.org/10.1007/BF00694838
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DOI: https://doi.org/10.1007/BF00694838