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Hormone

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Hormone

Postby victor » Thu Jun 16, 2005 12:46 pm

Hey, do ejaculation affects the circulation of the other hormones?
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Postby b_d_41501 » Thu Jun 16, 2005 1:04 pm

On an episode of "House, M.D." they said it was a temporary seziure, so I don't know if does or not; maybe temporarily?
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Postby victor » Thu Jun 16, 2005 1:33 pm

Hmm.how about like this..ejaculation stimulates the Antherior Hyphofisis secretes GnRH so GnRH stimulates the secretion of another hormone such as testoterone of which will affect the men secondary growth such as more hair on the feet, armpit, chest (I mean longer and longer.. :wink: ) how about that?
Oh, yeah, I ever read in the bio book also that ther'e a chain reaction between TSH, Thyroid, Adrenaline and testoterone (or sperm I'm not sure of that). it says that testoterone in a constant level will stop the production of TSH. So, if the testoterone is released and released again, it will affect the TSH (Thyroid Stimulating Hormone) and so on..is it true?
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Postby Dr.Stein » Sun Jul 10, 2005 11:51 am

The ejaculation does not affect the hormone levels in the body. The level of hormone itself that will affect another hormone(s) to be secreted or to be inhibited. For instance, when the level of testosteron is low, it will be a feedback to anterior pituitary to secrete ICSH (short loop). In a long loop, the low level of testosterone will give a signal to hypothalamus to secrete more GnRH, then GnRH will stimulate anterior pituitary to secrete ICSH. Then ICSH will stimulate Leydig cells to produce testosterone. That's it ;)
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Postby victor » Sun Jul 10, 2005 1:05 pm

So, it doesn't affect huh...and, is there any relation between testoterone and TSH or somatothropine hormone?? I mean between testoterone and growth..
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Postby Dr.Stein » Thu Jul 14, 2005 8:19 am

One of the functions of TSH is for body growth by increasing basal metabolism.

One of the functions of GH is for body growth by proliferation of bone cells.

Beside to function in reproduction, testosteron also has a function in body growth, called as metabolic/anabolic effect and tropic effect, which is similar to effect generated by TSH and GH. That's because many body cells have recptor for thestosteron, for instance: bone, skin, muscle, kidney, sebaceous gland, blood, etc.

So it can be said that testosteron can amplify the effect on TSH and GH.
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Postby victor » Thu Jul 14, 2005 12:06 pm

Amplify???!!?? I think it inhibits.... :?
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Postby Dr.Stein » Fri Jul 15, 2005 2:24 am

Naah... You know the nature of testosteron, in proper level they will amplify the effects of TSH and GH, but in excess level, also when the level of TSH and GH is too much, they will block the effect and give a negative feedback to hypothalamo-hypophyseal axis to reduce the secretion so their level will be normal again.

For instance, baldness. It can be caused by lack of testosteron. But exessive testosteron also will cause baldness.
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Postby victor » Sat Jul 16, 2005 12:19 pm

I only know that baldness is caused by some kinda small genetic disorder...do the genetic disorder affect the testoterone so it occurs in baldness?
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Postby Dr.Stein » Sat Jul 16, 2005 1:27 pm

Baldness can be caused by many factors, not only genetics but also hormonal and other things, such as diseases, environment problems, nutrition, etc.
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