The effects of constant light and consta
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McNulty, John A.
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Article
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1982
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John Wiley and Sons
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English
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## Abstract Goldfish (__Carassius auratus__) were subjected to both longβ and shortβterm (1, 3, 6, and 170 days) constant light or constant darkness to determine the effects of environmental lighting on the morphology of photoreceptor cells in the pineal organ. Morphometric analysis of electron mic