The preovulatory surge of LH is essential for rupture of the Graafian follicle ovulationAndrogel, after which the egg enters the fallopian tube and travels to the uterus. The empty Graafian follicle becomes filled with progesterone -producing cells, transforming it into a corpus luteum. LH stimulates the production of progesterone by the corpus luteum see reproductive system, human. Inhibina hormone secreted Testogel 50mg the Graafian follicles of the ovaries and by the Sertoli cells of the testes, inhibits the secretion of FSH from the pituitary gonadotrophs. Patients with diseases involving the anterior pituitary gland often have gonadotropin deficiency. Thus, the disappearance of menstrual periods may be the first sign of a pituitary tumour or other pituitary disease in women. In men the most common symptoms of gonadotropin deficiency are loss of libido and erectile dysfunction. Some pituitary tumours produce an excess of LH or FSH, whereas other pituitary tumours produce the hormonally inactive alpha chain subunit of the glycoprotein hormones. Gonadotropin Article Testogel 50mg Additional Info. Home Science Chemistry Testogel 50mg hormone.