No abstract available
MeSH terms
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Animals
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Circadian Rhythm
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Darkness
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Histocytochemistry
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Humans
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Hypothalamus / anatomy & histology
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Hypothalamus / metabolism
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Hypothalamus / physiology*
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Indoles / metabolism
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Light
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Male
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Models, Neurological
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Neural Pathways
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Neurons / physiology
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Neurosecretion
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Pineal Gland / anatomy & histology
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Pineal Gland / metabolism
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Pineal Gland / physiology*
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Rabbits
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Rats
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Serotonin / metabolism
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Tryptophan / metabolism
Substances
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Indoles
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Serotonin
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Tryptophan