nychthemeral

nychthemeral

(nɪkˈθiːmərəl)
adj
(Biology) biology physiol relating to a nychthemeron or to the changes or differences, specifically those relating to day and night, that occur within this span
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Effect of fasting on nychthemeral concentrations of plasma growth hormone (GH), insulin-like growth factor I (IGF-I), and cortisol in channel catfish (Ictalurus punctatus).
Clinical research reported that the melatonin secretion patterns in PD patient showed a decreased amplitude and phase advance in the dopaminergic-treated group.[sup][27] The altered nychthemeral pattern of melatonin was observed in our 6-OHDA model.