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. 2022 Dec 1;13:1061317. doi: 10.3389/fendo.2022.1061317

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Copyright © 2022 Perić, Bečeheli, Čičin-Šain, Desoye and Štefulj

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Serotonin metabolism. The figure shows the serotonin pathways in the gastrointestinal tract and in the central nervous system, the main sites of its synthesis in the human body. Serotonin synthesized in the enterochromaffin cells of the intestine is released into the portal circulation, taken up into platelets, and distributed to various other organs. Created with BioRender.com.