Testosterone for example is needed to transform and maintain a man's sex organs and to encourage secondary male sex characteristics both women and men. These sex characteristics include a deepening of a person's voice and hair loss or growth. This characteristic use is related to the hormone's androgenic properties.
Testosterone is also what contributes to a person's muscle growth, as well as bone maintenance and development. This is also a direct result of the hormone's anabolic properties.
The production of testosterone is regulated by released hormones from a person's brain. A person's hypothalamus and pituitary gland is located in their brain and produce hormonal signals that result in testosterone production. The hypothalamus is above a person's brain stem, and it produces (GRH) or gonadotrophin releasing hormone. The GRH then travels to a person's pituitary gland, located at the base of a person's brain. The GRH then stimulates the pituitary gland to release follicle stimulating hormone or FSH and luteinizing hormone or LH. All these hormones then travel through a person's bloodstream to stimulate a person's sex organs (both women and men.) These hormones then have a direct hand in regulating a person's testosterone level.
A person's body basically functions within a narrow range of normalcy. When hormones fall outside that narrow normal range, it can affect a person's body at a every level including their organs, systemic or cellular functions.
Blood tests can be used to measure a person's testosterone level and usually the blood is collected in the morning. A person's testosterone level normally tends to bounce around during the course of a day. Normal male testosterone levels range between 270-1070 ng/dl. However in women, the accuracy of testosterone sampling or testing because levels in women are much lower than that of males and thereby harder to accurately test or measure.
When women and men age, the level of their testosterone gradually falls. Free testosterone levels can be tested and a person's normal levels can ultimately depend on the person's age. However in women menopause does not directly affect any reduction of a woman's testosterone level.
References for this article include:
men.webmd.com/features/low-testosterone-explained-how-do-you-know-when-levels-are-too-low
Published by Kimberly Cummings
I've been a nurse for over 28 years and have worked in almost every department. I'm a non-fiction writer and I have worked in business for well over 15 years, along with having been in the military. My most... View profile
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