what does the posterior lobe of the pituitary gland release, which stimulates contractions of the uterus during labor
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oxytocin n. 1  1. A short polypeptide hormone, C43H66N12O12S2, released from the posterior lobe of the pituitary gland, that stimulates the contraction of smooth muscle of the uterus during labor and facilitates ejection of milk from the breast during nursing.
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- Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body.Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.ontractions are often described as a cramping or tightening sensation that starts in the back and moves around to the front in a wave-like manner. Others say the contraction feels like pressure in the back.
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- With that statement the department implemented theEPA policy that stainless steel flex connectors must have additional CP provided throughcathodic protection, impressed current, or be isolated from soil contact. Isolation became thecommon method by securing a rubber “boot” over the connector.
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Labor Contractions Labor Contractions. Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body. Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.
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Natural Ways to Encourage Labor Certain spicy foods release capsasins, which may be counterproductive in labor. When the baby descends down the birth path, the pressure exerted releases endorphins which are a natural pain killer. In effect, the capsasins counteract the endorphins and rob the mother of her natural ability to have a pain-free birth.
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Pituitary gland The anterior pituitary (or adenohypophysis) is a lobe of the gland that regulates several physiological processes (including stress, growth, reproduction, and lactation). The intermediate lobe synthesizes and secretes melanocyte-stimulating hormone.
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Oxytocin Oxytocin is a mammalian hormone that also acts as a neurotransmitter in the brain. In women, it is released mainly after distension of the cervix and vagina during labor, and after stimulation of the nipples, facilitating birth and breastfeeding, respectively. Oxytocin is released during orgasm in both sexes.
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- Pitocin is a combination of a nonapeptide protein — which means it’s made of nine amino acids. The simple explanation is that it’s basically the same hormone your own brain creates to cause contractions — it's also created when you breastfeed and helps with postpartum healing. Pitocin can be used if you’re already in labor and your contractions aren’t strong or frequent enough to progress your labor.
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Exam 2 Ch. 45 21) During mammalian labor and delivery, the contraction of uterine muscles is enhanced by oxytocin. This is an example of A) a negative feedback system. B) a hormone that acts in an antagonistic way with another hormone. C) a hormone that is involved in a positive feedback loop. D) signal transduction immediately changing gene expression in its target cells. E) the key role of the anterior pituitary gland in regulating uterine contraction.
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Childbirth: The Role of Hormones in Labor and Delivery The rise in stress hormones triggers a rise in the steroid hormone estriol. Estriol is a form of estrogen that is predominant during childbirth. As estriol rises, it inhibits the synthesis of progesterone by the placenta and prepares the smooth muscles of the uterus for labor.
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Oxytocin Oxytocin, neurohormone in mammals, the principal functions of which are to stimulate contractions of the uterus during labour, to stimulate the ejection of milk (letdown) during lactation, and to promote maternal nurturing behaviour.
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Medical Definition of Pituitary gland Posterior pituitary: The back portion of the pituitary, a small gland in the head called the master gland. The posterior pituitary secretes the hormone oxytocin which increases uterine contractions and antidiuretic hormone (ADH) which increases reabsorption of water by the tubules of the kidney.
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Uterine Contraction and Retraction Uterine Contraction and Retraction. Uterine contraction :-. It is the temporary shortening of the uterus muscles for starting the labour process. In easy way, contraction is essential for starting the labour.
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How to Dilate Faster During Labor: Is It Possible? 1 Medications: Your doctor may apply the hormone prostaglandin topically to your cervix, or insert a prostaglandin suppository into your vagina. This hormone causes the cervix to soften and contractions to begin.  Stripping the membranes: If your amniotic sac is still intact, membrane stripping may trigger labor.
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Medical Terminology for Cancer The Posterior Lobe of the Pituitary Gland (or neurophpophysis) stores and releases hormones secreted by the hypothalamus section of the brain including: 1  ADH (Antidiuretic hormone) stimulates the smooth muscles, blood vessels and the intestine.
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Pituitary gland Oxytocin, most of which is released from the paraventricular nucleus in the hypothalamus. Oxytocin is one of the few hormones to create a positive feedback loop. For example, uterine contractions stimulate the release of oxytocin from the posterior pituitary, which, in turn, increases uterine contractions.
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Star Wars: The Clone Wars Wins Two Daytime Emmy Awards + Enlarge Image. Lucasfilm Animation’s Star Wars: The Clone Wars won two Emmys for its stirring fifth and final season at the 40th annual Daytime Entertainment Emmy Awards. Last night, the show took home the award for Outstanding Special Class Animated Program, with Star Wars: The Clone Wars creator and executive producer George Lucas accepting.
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- Because the myometrium of the uterus is comprised of smooth muscle, it stands to reason that CCBs could be effective in suppressing early uterine contractions. Moreover, levels of p21 in cell line HT1 are higher than that of the normal myometrium.
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An Overview of the Pituitary Gland 1 The hormones of the pituitary gland help regulate the functions of other endocrine glands. 2  The pituitary gland has two parts—the anterior lobe and posterior lobe—that have two very separate functions. 3  The hypothalamus sends signals to the pituitary to release or inhibit pituitary hormone production.he pituitary glands are made of the anterior lobe and posterior lobe. The anterior lobe produces and releases hormones. The posterior lobe does not produce hormones per se—this is done by nerve cells in the hypothalamus—but it does release them into the circulation.
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- The pituitary glands are made of the anterior lobe and posterior lobe. The anterior lobe produces and releases hormones. The posterior lobe does not produce hormones per se—this is done by nerve cells in the hypothalamus—but it does release them into the circulation.
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Pituitary gland The anterior pituitary (or adenohypophysis) is a lobe of the gland that regulates several physiological processes (including stress, growth, reproduction, and lactation). The intermediate lobe synthesizes and secretes melanocyte-stimulating hormone.his contrasts with the posterior pituitary, which originates from neuroectoderm. Endocrine cells of the anterior pituitary are controlled by regulatory hormones released by parvocellular neurosecretory cells in the hypothalamus.
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Pituitary gland Hormones produced by the anterior lobe regulate growth, and stimulate the adrenal and thyroid glands, as well as the ovaries and testes. It also generates prolactin, which enables new mothers to produce milk.
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- Geneva, like Zurich lies in an enviable location where the Rhône River exits Lake Geneva, surrounded by the Alps and Jura mountain ranges. Summers in Geneva are warm to hot and can occasionally get rather humid. Although Geneva, like the majority of Switzerland, sees changeable weather.
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- 1 The hormones of the pituitary gland help regulate the functions of other endocrine glands. 2  The pituitary gland has two parts—the anterior lobe and posterior lobe—that have two very separate functions. 3  The hypothalamus sends signals to the pituitary to release or inhibit pituitary hormone production.or example, the anterior pituitary lobe will release adrenocorticotropic hormone (ACTH) to stimulate cortisol production in the adrenal glands when you’re stressed. The anterior lobe releases hormones upon receiving releasing or inhibiting hormones from the hypothalamus.
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- Labor Contractions. Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body. Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.abor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body.
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Anterior pituitary Gonadotropes, primarily luteinising hormone (LH) secreted from the anterior pituitary stimulates the ovulation cycle in female mammals, whilst in the males, LH stimulates the synthesis of androgen which drives the ongoing will to mate together with a constant production of sperm.