Circadian rhythms of serotonin and the electrical activity of the frontal ganglion of the cockroach,Periplaneta americana |
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Authors: | A Pandey M Habibulla |
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Institution: | (1) Neurobiology Laboratory, School of Life Sciences, Jawaharlal Nehru University, 110067 New Delhi, India |
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Abstract: | Summary Rhythmic circadian variations in the spontaneous electrical activity of the frontal ganglion (FG) of the cockroach,Periplaneta americana, have been shown, and the neurotransmitter (NT) involved in this activity has been identified as serotonin (5-hydroxytryptamine, 5-HT). During the 24-h day, the diurnal variations in the electrical activity and the levels of 5-HT and its immediate metabolite 5-hydroxyindole acetic acid (5-HIAA) were maximal at 24.00 h and minimal at 12.00 h. |
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