VA opsin-based photoreceptors in the hypothalamus of birds.
Studies in the 1930s demonstrated that birds possess photoreceptors that are located within the hypothalamus and regulate photoperiodic responses to day length. Most recently, photoperiod has been shown to alter the activity of the pars tuberalis to release thyrotrophin, which ultimately drives a re...
Main Authors: | , , , , , , , , , |
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Format: | Journal article |
Jezik: | English |
Izdano: |
2009
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