Oxytocin Oxytocin is a peptide hormone. It is produced by secreted from the posterior pituitary and synthesized in neurones paraventricular and supraoptic nuclei of the hypothalamus. The functions are contraction of uterine smooth muscle during labor. Contraction of myoepithelial cells around breast ducts and alveoli to stimulate milk flow and it is queried as to whether oxytocin release actually causes the onset of labor. Oxytocin primarily affects uterine smooth muscle - increasing both the
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The Science of Love • There are three phases to falling in love and different hormones are involved at each stage. • Events occurring in the brain when we are in love have similarities with mental illness. • When we are attracted to somebody‚ it could be because subconsciously we like their genes. • Smell could be as important as looks when it comes to the fanciability factor. We like the look and smell of people who are most like our parents. • Science can help determine whether a relationship
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is A. insulin. B. melatonin. C. calcitonin. D. oxytocin. E. histamine. Answer Key: D Feedback: Good job! Question 4 of 60 0.0/ 1.667 Points A hormone secreted by the anterior pituitary gland that causes darkening of the skin is A. LH. B. FSH. C. GH. D. ACTH. E. MSH. Answer Key: E Feedback: Please review chapter 13. Question 5 of 60 1.67/ 1.667 Points Antidiuretic hormone and oxytocin are secreted from the A. anterior pituitary gland. B. hypothalamus
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Scenario: You are working in a community outpatient clinic where you perform the intake assessment on R.M.‚ a 38- year-old woman who is attending graduate school and is very sedentary. She reports overwhelming fatigue that is not relieved by rest. She states that she is so exhausted that she has difficulty walking to class and trouble concentrating when studying. Her face looks puffy‚ and her skin is dry and pale. She also reports generalized body aches and pains with frequent muscle cramps and
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On 11th November 1995‚ a girl named Leah Betts took an ecstasy tablet at her 18th birthday party. Five days later‚ she died in hospital after falling into a coma from which she did not recover. It was apparent after taking the tablet that she began to feel unwell‚ and took regular trips to the bathroom to drink water. She consumed 7 litres of water in the duration of 90 minutes. There was a lot of speculation on the fundamental cause of her death‚ which was established as water intoxication as a
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3‚ the stimulus during childbirth is the release of oxytocin and the response is the increase in contractions. The cycle ends when the baby is born. 15) The hormone that is released from the hypothalamus is oxytocin. The hormone increases the intensity of the contractions. 16) When the intensity of the contractions increase‚ the stimulus will increase because an increase in contractions equals an increase in pain for the mother. Oxytocin is a natural painkiller that aids a women during childbirth
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article‚ “Attachment‚ Aggression and Affiliation: The Role of Oxytocin in Female Behavior‚” generally discusses the behavioral effects of oxytocin (OT) based on human and animal studies. It is broken down in two perspectives: specific attachment which focuses on the role of oxytocin in relation to bonds and relationship forming with loved ones and the use of aggression to protect those relationships and trait affiliation which focuses on oxytocin as being a contributing factor in social behavior. In addition
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com/printedition/PrinterFriendly.cfm?Story_ID=2424049 Fisher HE‚ Aron A‚ Mashek D‚ Li H‚ Brown LL.‚ 2002 Lewis T‚ Amini F‚ Lannon R. (2000). A General Theory of Love. Vintage House‚ NY. Matthiesen AS‚ Ransjo-Arvidson AB‚ Nissen E‚ Uvnas-Moberg K. (2001). Postpartum maternal oxytocin release by newborns: Effect of infant hand massage Odent M. 1999. The Scientification of Lov e. Free Association Books‚ London.
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regulation of smooth muscle contraction is under the influence of an octapeptide known as oxytocin. Oxytocin is released through a mechanism called the "Ferguson reflex" during pregnancy (Rang et. al‚ 2003). These are impulses transmitted to the hypothalamus and neurohypohysis via afferent pathways from the pressure and rhythmic movement exerted by the foetus during labor (Gimpl & Fahrenholz‚ 2001). Oxytocin is also responsible for stimulating lactation and controlling post-partum hemorrhage.
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Based on research articles read thus far‚ there is a linkage between vasopressin and oxytocin and social behavior‚ and there is also a linkage between early life/ prenatal stress and vasopressin and oxytocin receptor densities in the brains of rodents. Stress is defined as the brain’s response to any demand and can be triggered by a multitude of factors. Not all stress is bad stress‚ and stress can sometimes be used as a motivator. Anxiety can be defined psychiatrically as a nervous disorder characterized
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