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1 Laboratory of Clinical Science, National Institute of Mental Health, and Department of Pathologic Anatomy, Clinical Center, National Institutes of Health, Bethesda, Maryland
C14-serotonin is taken up and retained for long periods of time by uterus, heart, and spleen. The C14-amine is firmly bound by constituents in the cell sap of the uterus, by the blood elements in the spleen, and by a combination of these as well as by a small granule fraction in the heart.
Reserpine, but not lysergic acid diethylamide, nor compound 48-80, can release bound C14-serotonin horn uterus and spleen.
There is a greater concentration of C14-serotonin in the uterus during the diestrus phase of the estrous cycle than during estrus.
Accepted on August 21, 1964