Corpus ID: 24309333

Melatonin: an internal signal for daily and seasonal timing.

  title={Melatonin: an internal signal for daily and seasonal timing.},
  author={A. K. Trivedi and V. Kumar},
  journal={Indian journal of experimental biology},
  volume={52 5},
  • A. K. Trivedi, V. Kumar
  • Published 2014
  • Medicine, Biology
  • Indian journal of experimental biology
  • Melatonin is secreted only during night, irrespective of the habitat of an organism and the site of its synthesis and secretion, and hence known as "darkness hormone". Elevated melatonin levels reflect the nighttime. In vertebrates, the main site of melatonin production is the pineal gland. Species in which melatonin is also secreted from sources other than the pineal, as in some birds, relative contributions of different melatonin producing tissues to the blood melatonin level can vary from… CONTINUE READING
    27 Citations

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