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. 2017 Oct 25;242(17):1714–1731. doi: 10.1177/1535370217732766

Figure 4.

Figure 4.

A detailed view of end-organ interactions for the neurovascular unit.38, 4042, 44,46, 48 The hormones are color-coded to correspond with the graph below that depicts their relative concentration change, as a percentage of their normal baseline level, over the course of the day. Hormones that did not have significant literature support for a circadian oscillation are given a dashed line to denote a constant concentration.