MeSH definition : 2- or 4-Hydroxyestrogens. Substances that are physiologically active in mammals, especially
in the control of gonadotropin secretion. Physiological activity can be ascribed to
either an estrogenic action or interaction with the catecholaminergic system.;
2- or 4-Hydroxyestrogens. Substances that are physiologically active in mammals, especially
in the control of gonadotropin secretion. Physiological activity can be ascribed to
either an estrogenic action or interaction with the catecholaminergic system.