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Created page with "A class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and..."
A class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behavior.
''[[ICRP Glossary]] entry - June 2019''
''[[ICRP Glossary]] entry - June 2019''