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. 2020 Jan 28;10:1003. doi: 10.3389/fpsyt.2019.01003

Figure 4.

Figure 4

Multilevel interactions between the circadian system and the hypothalamic-pituitary-adrenal (HPA) axis. AC, adrenal cortex; CRH, corticotropin releasing hormone; GCs, glucocorticoids; ipRGC, intrinsically photosensitive retinal ganglion cells; MT, melatonin receptor; PVN, paraventricular nucleus; RHT, retinohypothalamic tract; RNS, reactive nitrogen species; RORα, retinoic acid receptor-related orphan receptor α; ROS, radical oxygen species; RZRβ, retinoid acid receptor related Z receptor β; SCN, suprachiasmatic nucleus; SCG, superior cervical ganlia.