what is the hormone that stimulates muscle contraction during child delivery?
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Oxytocin..Pitocin is the synthetic form given by an IV
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Case Title:  On Vaginal size, vaginal enlargement, vaginal muscular development for sexual orgasm. \n--------------------------------------------------------------------------------\nReader: 3/01/2003>My husband is complaining of vaginal loosness and I am 25 with three childeren. I am a large framed woman and am wondering if petite women have smaller vaginas. What can I do? Do women who are over weight have bigger vaginas?\n\n\n--------------------------------------------------------------------------------\nDr. Lin: 3/01/2003> The "expandable size (circumference)" of your vaginal orifice can reach twice the length of of your labia minors, approximately the maximum circumference of your mouth. The muscle and nerve of the vaginal orifice can be plastically over-stretched (deformed) by childbirth even if it has been sewed back properly. If this is the case, it will take a year or longer for the over-stretched muscle and nerve to regain its elasticity. To let the plastically deformed muscle and nerve recover faster, you need the neuro-nutrients and hGH/DHEA/androstenedione/testosterone to heal the the damaged/fatigued tissues and nerves.  Vaginal exercises are to help increase the trapping of testosterone and DHT via the local blood circulation in the PC muscle and pelvic/perineum  floor, but you need sufficient neurochemicals and hormones in the bloodstream to help build the muscle where testosterone will be burned into DHT for muscular development and ,at the same time, release the bioelectric energy to charge (sensitize) the local nerves (sensory, parasympathetic and sympathetic).  Vaginal exercises also stimulate the Greater Vestibular Glands ( http://www.actionlove.com/image/g-spot.jpg ) to  release more female precum  (like the male pre-ejaculation fluid from the bulbourethral glands for premature ejaculation) that helps accelerate female orgasmic responses. Of course, you need the neurochemicals and hormones to release  precum.\nDuring lovemaking, what he wants to feel is the gripping force of your vagina. But, his feeling also depends on his penile erection and nervous sensitivity, not only on your vaginal tightness or gripping force..\nIf his erection is weak due to a lack of the neurotransmitters acetylcholine, his penile skin surface nerves become less sensitive and you won't feel pleasure during lovemaking either.  In a lot of situations, men blame their partners' vaginal enlargement for their penile shrinkage. If his penis is very hard and can exert a high stimulation pressure on your urethral/vaginal spongy tissues, he won't feel your vaginal looseness even if your vagina is real loose; instead, you will experience a peeing   urgency and/or intercourse pain when the hard erecting penis stimulates your urethral and G-spot nerves. \nThe peeing urgency and/or intercourse pain usually happen when your vaginal/urethral spongy tissues won't erect due to a lack of the neurotransmitter acetylcholine and  the hormones androstenedione/testosterone in the vagina/urethral spongy tissues and nerves, or due to an excessive binding of the stress neurohormone adrenalin into the sympathetic alpha-2 receptors in the vaginal/urethral arteries and tissues.  In fact,  a lack of the neurotransmitter acetylcholine and  the hormones androstenedione/testosterone and/or due to an excessive binding of the stress neurohormone adrenalin into the sympathetic alpha-2 receptors will shrink your vaginal and urethral spongy tissues and result in vaginal enlargement.  If your vaginal condition reaches this state,  you feel nothing either during lovemaking. \nIn fact, the penile shrinkage and vaginal enlargement are the same thing as discussed in these two links-\nThe principles of the Penile/G-spot/Clitoral enlargement and Vaginal Narrowing (Reduction, yes!) are the same thing! for more sexual orgasm.If you erect your clitoris in the arousal state, your vaginal/urethral spongy tissues will become erecting to your vagin
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It is very common for women in labor to have what doctors consider insufficient oxytocin to deliver the baby. However, this is not a disorder: Oxytocin levels naturally rise and fall.\n\nOxytocin is produced by the brain as part of maintaining our normal physical state. As it travels through the bloodstream, it helps regulate blood pressure, hunger and thirst. It's also released in spurts in response to specific stimuli: orgasm, being stroked, being close to people we love, petting a furry animal. \n\nBasically, oxytocin is what makes us experience that state we call love.\n\nIf oxytocin rises when we feel safe and happy, it falls when we feel frightened, anxious or stressed. Oxytocin is part of the body's natural response to what’s going on around us.\n\nHere's how the normal labor and birth process goes: The brain produces pulses of oxytocin, which cause the muscles of the uterus to contract. Those contractions begin to move the baby down the birth canal. At the same time, oxytocin eases the pain that would normally accompany all that stretching. Eventually, the cervix widens enough for the muscle contractions to push the baby out. \n\nAt the same time, the oxytocin cause the contractions of the uterus to continue, squeezing the tissue close and reducing bleeding.\n\nThis natural physical process is not unlike that leading up to an orgasm: Contractions slowly build until there's release. In fact, some women do experience orgasms during childbirth.\n\nNow, imagine if you had to reach orgasm in an unfamiliar, brightly lit place with strangers rushing around and interrupting you. It would be pretty hard. Even if it’s a cheery hospital, the strange surroundings and associations with pain and illness can make it hard to relax enough for those oxytocin pulses to carry the baby out into the world.\n\nAlso, the oxytocin pulses need to build intensity, and some hospitals simply don’t allow enough time. If labor doesn’t progress according to their timetable, they begin intravenous pitocin, a synthetic form of oxytocin. Some midwives think that because the amount of pitocin administered is much greater than the oxytocin that should be naturally produced, the contractions are much stronger and more painful.
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Human Growth Hormone when used by an endocrinologist can make a child grow taller.  Unfortunately, a person will never grow past their genetic potential.  So short people like me are stuck wearing heels, sorry :-(
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Hormones are chemical messengers in the body that can do many things. It depends on the hormone. \n\nHormones trigger growth spurts and the onset of puberty. They can regulate blood sugar (insulin is a hormone). Hormones can trigger the 'fight or flight' response in you when you face danger (that's adrenalin). \n\nLook at these websites:\nhttp://en.wikipedia.org/wiki/Endocrine_system\nhttp://en.wikipedia.org/wiki/Hormones
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it's growth hormone(GH), produced by the thyroid gland. the hormone secretion is under the control of another hormone, the Thyrotropic Hormone (TTH) secreted by the pituitary gland. GH stimulates metabolism, thus inducing growth. try looking it up! good luck ;)
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B.\n\nA peptide hormone that is produced by fat cells. It plays a role in body weight regulation by acting on the hypothalamus to suppress appetite and burn fat stored in adipose tissue.
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The development of mammary glands is controlled by hormones. The mammary glands exist in both sexes, but they are rudimentary until puberty when in response to ovarian hormones, they begin to develop in the female. Estrogen promotes formation, while testosterone inhibits it. But sometimes, pregnant women develop their breasts larger than normal for the preparation of breast feed.
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Yes it is synthesised naturally during chlbirth...it is required for breast feeding.\nBut i dont have any idea why they adminidter a pregnant women with oxytocin during labour.
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The contraction phenomenon in muscular cells are mostly due to interaction of two elements, ie, Actin and Myosin. Their interaction are powered by some molecules called ATP. The ATP is produced in some cellular structures called mitochondria. The role of food for human is to produce energy. Energy is produced by hydrolyzing of ATP.
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Nutropin is a human growth hormone. Different spelling?
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The endocrine system is all about hormones, and the nervous system coordinates the activity of the muscles, monitors the organs, constructs and also stops input from the senses, and initiates actions.
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Hey armchair philosopher.  You do get 'interesting' answers here!  Your question is quite interesting too.  The biomedical research world is very busy 'as we speak' researching these issues.  A large number of neuropeptides, polypeptide signaling molecules, cytokines, etc. are now known to interact with virtually all the cells of the body, including the liver.  This 'reality' is often reflected in the scientific 'game' of calling a variety of integrated systems one system (e.g. the "psycho-neuro-immuno-gastrointestinal-endocrine system").\n\nA more significant question might be 'which (if any) neurotransmitters and polypeptide signaling molecules Are Not involved in liver function?".\n\nI realize I have not truly answered your question.  But it is way too complex to answer and (paradoxically) there is too little clear info. on which to base a more specific answer.\n\nI will offer one 'example' of an interaction between emotions and liver function.  An emotional stressor will induce CRF secretion from the Hypothalamus, which in turn stimulates ACTH secretion from the Pituitary (both of these hormones are polypeptides).  The ACTH is released into the blood system, travels to the adrenal cortex and stimulates synthesis and secretion of cortisol (a steroid hormone).  Cortisol travels through the blood to the liver where it stimulates gluconeogenesis.  So, emotions stimulated polypeptide production that eventually changed liver function.\n\nHope this is at least marginally helpful.  It was fun to think about how to give a useful answer to a tough, yet interesting question.\n\nBest wishes.
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Hi don`t no but you could try taking some supplements from internetshopuk.com i have been taking them and mine have firmed up after having 4 children and they also are getting bigger they are all natural supplements so no crap.
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Prolactin has many effects, the most important of which is to stimulate the mammary glands to produce milk (lactation).\n\nIncreased serum concentrations of prolactin during pregnancy cause enlargement of the mammary glands of the breasts and increases the production of milk. However, the high levels of progesterone during pregnancy act directly on the breasts to stop ejection of milk. It is only when the levels of this hormone fall after childbirth that milk ejection is possible.\n\nSometimes, newborn babies (males as well as females) secrete a milky substance from their nipples. This substance is commonly known as Witch's milk. This is caused by the fetus being affected by prolactin circulating in the mother just before birth, and usually stops soon after birth.\n\nAnother effect, recently discovered by the University of Paisley and the Technische Hochschule Zürich, is to provide the body with sexual gratification after sexual acts. The hormone represses the effect of dopamine, which is responsible for sexual arousal, thus causing the male's refractory period. The amount of prolactin can be an indicator for the amount of sexual satisfaction and relaxation. Unusual high amounts are suspected to be responsible for impotence.\n\nOther possible functions of prolactin include the surfactant synthesis of the fetal lungs at the end of the pregnancy and immune tolerance of the fetus by the maternal organism during pregnancy.\nEstrogen is produced primarily by developing follicles in the ovaries, the corpus luteum and the placenta. Some estrogens are also produced in smaller amounts by other tissues such as the liver, adrenal glands and the breasts. These secondary sources of estrogen are especially important in post-menopausal women. Synthesis of oestrogenes starts in theca interna cells in the ovary, by the synthesis of androstenedione from cholesterol. Androstenedione is a substance of moderate androgenic activity. This compound crosses the basal membrane into the surrounding granulosa cells, where it is converted to estrone or estradiol, either immediately or through testosterone. There is evidence that a testosterone supplement can support female sexual desire (Braunstein et al, 2005). Many studies of the role of sex steroid hormones on sexual desire have been done in naturally post-menopausal women or women who have had their ovaries surgically removed. Such studies have found better correlation between sexual desire and androgen levels than for estrogen levels (Warnock et al, 2005). A clinical study found that women aged 18 to 44 who reported low sexual desire tended to have low levels of dehydroepiandrosterone sulfate (Davis et al, 2005). Dehydroepiandrosterone is an abundant sex steroid in women and like other steroids is efficiently sulfated. Dehydroepiandrosterone (DHEA) is a precursor steroid that can be converted to estrogens (estradiol) and androgens such as testosterone and 5α-dihydrotestosterone[1].
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Adrenalin is produced that increases the pulse rate. This hormone prepares you for physical work when it races through the blood stream. \n\nThe gland that produces the hormone is called Adrenal gland and as the name suggests it is attached to the kidneys on its upper side. Two kidneys so two adrenal glands.
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http://en.wikipedia.org/wiki/Steroid_hormone#Synthesis\n\nhttp://www.indstate.edu/thcme/mwking/steroid-hormones.html