The testicular hormone is one of the steroid hormones derived from cholesterol, and the testis is the main place to manufacture in males, as about 95% of the hormone secreted by the cells of your hands (Leydig) in the testis, in the female is released by the cells of the Sacrifice Theca cells in the ovary, Also by adrenal cortex in both sexes, and that the difference between the hormone secreted from the testicle and the secretion of the ovary is in the amount of hormone, as its concentration in the normal adult blood plasma about 0.65 μg / ml, while its concentration in the female natural adult 0.03 microgram (Guyton, 1991; Davis & Tran, 2001). 54% of it is associated with albumin and 44% is associated with the protein known as sex hormone Binding Globulin (SHBG). Freedom is about 2-3% (Shaban, 2005). The free form of the hormone is biologically effective as opposed to the form associated with chloroylene, as it is ineffective. As for albumin, the hormone is separated because the link is weak and quickly spread to the target cells.
