The Ecology of Humans (26-30) Astrocytes continued

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Not only are astrocytes the cells correspondent with thoughts and memories, they also regulate hormone levels. Astrocytes produce proteins in various parts of the brain that regulate water homeostasis and microcirculation. These include brain angiotensinogen, atrial natriuretic peptide, and vasoactive intestinal peptide, all of which influence neurons that release hormones.