作者: GUY E. RINGLER , JEROME F. STRAUSS
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摘要: AMONG endocrine organs, the placenta is unique with respect to diversity of its hormonal products and mechanisms that control secretory activity. The elaborates protein, glycoprotein, steroidal hormones, as well cytokines growth factors. It possesses receptors for a variety these factors, thyronines, steroids, protein hormones. At present count, human produces more than 30 hormones has almost many regulatory factors (1–3). Consequently, it frequently been starting material from which have purified. Although functions in concert maternal organism fetus production some (e.g., estrogens), study isolated placental tissue important elucidation function biology cells general. Our purpose review existing vitro systems plac...