The hypothalamic-pituitary-testicular axis (HPTA) regulates testosterone ... promoting the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which in turn stimulate ...
³ Testosterone then provides negative feedback on the hypothalamus, suppressing further FSH and LH release.³ In secondary hypogonadism, dysfunction in the HPG axis leads to low testosterone ...
The posterior pituitary gland, which extends from axonal projections originating from the hypothalamus, secretes both oxytocin and anti-diuretic hormone (ADH) or vasopressin 2. The hypothalamic ...
Urinary luteinizing hormone results are shown in Figure 2. In the smaller subgroups which provided blood LH samples, the averaged baseline concentrations were 55 mIU/ml among those that would ...