Chronobiology of pituitary hormones: The secretion of thyrotropic hormone (thyrotropin, TSH) is subject to circadian and ultradian variation representing pulsatile release. The period of circadian rhythms is 24 hours, that of the ultradian pattern about 2.5 hours. The amplitude of the fast pulses varies around 0.6 mIU/L.
Exemplary time series created with R and Affinity Designer from computer simulations with SimThyr.
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