Does anyone know how testosterone is made in us boys? Is it from the testicles, or something in the penis?
BOYS ONLY: Where is testosterone made?
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yes, in the testicles.
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Your testicles make testosterone, it all starts with the hypothalamus and pituitary glands that release hormones into the blood stream that yell the testicles to start producing and releasing testosterone
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masong wrote:
Does anyone know how testosterone is made in us boys? Is it from the testicles, or something in the penis?
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It’s made in the nut factory
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The above answers have it right. Cf. estrogen, which is produced by the ovaries (the female analogue of the testicles). Despite the term "gonad" coming to just mean "balls" in common parlance, it's actually a gender-neutral term, and ovaries are the female gonads. Gonads produce the primary sex hormones (as well as the gametes--eggs and sperm) in animals.
(Yes, I find biology interesting). -
corey_stratton wrote:
masong wrote:
Does anyone know how testosterone is made in us boys? Is it from the testicles, or something in the penis?
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masong wrote:
corey_stratton wrote:
masong wrote:
Does anyone know how testosterone is made in us boys? Is it from the testicles, or something in the penis?
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that's why you have to keep them safe during sports
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masong wrote:
So, when is boys jerk if and cum are we releasing some of our testosterone?
The cells that make sperm are organised around tubules which join up to form bigger tubes which lead the sperm into the epididymis to mature.
The testicles also have a blood supply and the cells that make testosterone release it into this blood i.e. for each testicle there will be an artery going in and a vein going out and the blood in the vein will have more testosterone in it than the blood in the artery going in.
The other thing worth knowing is that there is a negative feedback system. Chris already mentioned the hypothalamus and the pituitary. The hypothalamus measures the amount of testosterone in the blood and, if it isn't enough, it makes more GnRH which causes the pituitary gland to make more FSH and LH and the increased level of LH causes the Leydig cells to make more testosterone. If the testosterone level is too high the hypothalamus makes less GnRH causing the pituitary to make less FSH and LH and therefore the Leydig cells make less testosterone.
That means even if there was some leakage of testosterone into the tubules and thus through the epididymis, up the vas deferens and eventually ejaculated with the sperm:
- The feedback mechanism would compensate by having the testicles make more testosterone.
- Refraining from ejaculating would not change that - to be active testosterone needs to be in the blood, not in the tubes that carry the sperm.
- The feedback mechanism would compensate by having the testicles make more testosterone.
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