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</html>";s:4:"text";s:29781:"Pituitary gland. The hormones secreted by the posterior pituitary are produced in the hypothalamus and then passed down a tube between the hypothalamus and the pituitary (the pituitary stalk) when they are then secreted into the blood. The pituitary gland is located at the base of the brain and consists of the anterior and posterior lobes. The pituitary gland is about 1 centimeter in diameter and consists of an anterior pituitary or anterior lobe, and a posterior pituitary, or posterior lobe. Posterior Pituitary Hormones Regulate Water Levels and Induce Labor. Hormone from posterior pituitary that acts on the kidneys (nephrons) to conserve fluid. anterior and posterior pituitary; secrete growth hormone (GH), Thyroid Stimulating hormone (TSH), ... (LH), Prolactin (All anterior lobe hormones), Oxytocin, antidiuretic hormone (ADH) (both posterior lobe hormones) Page 8/40. Anterior pituitary: The front portion of the pituitary, a small gland in the head called the master gland. The peptide hormones are synthesized and stored in the secretory vesicles. Quizlet Learn. The Hypothalamus and the Pituitary. 1. Several neuroendocrine agents, or hormones, are produced by the hypothalamus. Findanyanswer.com DA: 17 PA: 50 MOZ Rank: 86. ADH is normally released by the pituitary in response to sensors that detect an increase in blood osmolality (number of dissolved particles in the blood) or decrease in blood volume. It is one of only two hormones secreted by the posterior pituitary gland. The pineal gland is composed of cells called pinealocytes and cells of the nervous system called glial cells.The pineal gland connects the endocrine system … These hormones are anti-diuretic hormone and oxytocin. It also stores these thyroid hormones and releases them as they are needed. Mineralocorticoids: A group of hormones (the most important being aldosterone) that regulate the balance of water and electrolytes (ions such as sodium and potassium) in the body. The pituitary gland is termed the "Master Gland" because it directs other organs and endocrine glands to suppress or induce hormone production. Problems with the pituitary gland can affect the production of FSH in men. The hormones made by the pituitary gland and other glands have a big impact on bodily functions, such as growth, reproduction, blood pressure, and metabolism. It is divided into two lobes: the anterior or front They are released into the circulatory system via neural signaling from the hypothalamus. In the male and the female, the target tissue is the anterior pituitary gland, specifically Gonadotroph cells. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. Posterior Pituitary Hormones Regulate Water Levels and Induce Labor. It is known as the master gland, because it is responsible to control the function of other glands to put forth their hormones. The most common side effect is loss of normal pituitary function. The hypothalamus and pituitary gland are connected by both nervous and chemical pathways. Examples include oxytocin and vasopressin or ADH (antidiuretic hormone), which are synthesized in the brain and released into the bloodstream from the posterior pituitary gland. 1. The anterior lobe produces several hormones, while the posterior lobe stores hormones of the hypothalamus. Such praise is justified in the sense that the anterior and posterior pituitary secrete a battery of hormones that collectively influence all cells and affect virtually all physiologic processes. CODI 386 Test 2. The hypothalamus is located centrally in the brain and communicates by way of an exchange of blood with the pituitary gland. The symptoms depend on a patient’s age. Topic Overview. Which hormones come from the posterior pituitary. The pituitary gland is divided into two parts with different functions - the anterior and posterior pituitary (see diagram 16.3). 2. Which hormones does the posterior pituitary produce? The supraoptic neurons primarily make - antidiuretic hormones. Growth, body metabolism, sexual development, and reproduction happen to be the elements which come under the domain of the pituitary gland. (1953) determined the chemical nature of oxytocin and vassopressin. Figure \(\PageIndex{2}\): Posterior Pituitary. The posterior lobe secretes several different hormones whereas the anterior lobe just stores and releases one particular hormone. NURS 3664 Exam 5 (Chapters 39, 43, 49) 128 terms. A system of capillary such as the one connecting the pituitary in the hypothalamus is known as a. Portal system. A&P II Final This is a guide and outlines the main focus of the test, not the only contents you have to know. The posterior pituitary is where hormones made by the hypothalamus (vasopressin and oxytocin) are stored and released into the bloodstream. Different hormones are produced by hypothalamus, anterior pituitary and other endocrine glands. These hormones are stored or released into the blood via the capillary plexus. 16 terms. Anterior vs Posterior pituitary. See Table 45.1 Oxytocin and Antidiuretic Hormone, hypothalamus, peptide, target organ for Oxytocin is the uterine smooth muscle and mammary gland cells 3. Search Domain. are synthesized in the hypothalamus and are released from the posterior pituitary when nerve signals arrive. ... Quizlet Live. … The pituitary gland consists of an anterior and posterior lobe, with each lobe secreting different hormones in response to signals from the hypothalamus. The pituitary gland is a tiny organ, the size of a pea, found at the base of the brain. Mod 9 Exam Flashcards | Quizlet. Hormones are known to have an effect on our bodies and our minds. This hormone helps the kidneys control the amount of water your body loses through the urine. The Pituitary and Its Major Hormones. Reproductive Hormones Gonadotropin Releasing Hormone (GnRH) GnRH is a neuropeptide (a decapeptide) that is produced in the hypothalamic surge and tonic centres. One set sends the hormones they produce down through the pituitary stalk to the posterior lobe of the pituitary gland where these hormones are released directly into the bloodstream. The hypothalmus is connected to the pituitary by the hypophyseal portal system. The pituitary gland is a small but important endocrine gland, located at the base of the brain. Adrenocorticotropic Hormone (ACTH, Corticotropin) Adrenocorticotropic hormone, as its name implies, stimulates the adrenal cortex. The effect of the hypothalamus on the posterior part of the pituitary … Two hormones, oxytocin and antidiuretic hormone (ADH), are produced and released in this way. It controls several important functions, including sleep and growth. Anatomy of the hypothalamus. Hormones of Thyroid. bookmarks Recommended reading. This leads to loss of all its hormone production and causes a condition called hypopituitarism. The hormones are then stored in neurosecretory vesicles (Herring bodies) before being secreted by the posterior pituitary into the bloodstream. When the level of thyroid hormones (T3 & T4) drops too low, the pituitary gland produces Thyroid Stimulating Hormone (TSH) which stimulates the thyroid gland to produce more hormones. adrenals, thyroid). The hypothalamus region lies inferior and anterior to the thalamus. A) The hypothalamus makes oxytocin and antidiuretic hormone, which are transported the posterior pituitary for storage. Name the 2 hormones from the hypothalamus that are released at axon terminals into the capillary bed of the posterior pituitary. Anterior Lobe Hormones: Thyroid-stimulating hormone (TSH): TSH stimulates the thyroid gland to produce hormones. The posterior lobe contains the ends of nerve cells coming from the hypothalamus. The hypothalamus sends hormones directly to the posterior lobe via these nerves, and then the pituitary gland releases them. In the early 1950, two posterior pituitary hormones oxytocin and vasopressin were identified determined their individual activities. Arteries within the gland carry the released hormones directly through the blood to the tissues they are meant for. Several neuroendocrine agents, or hormones, are produced by the hypothalamus. Hormones known as posterior pituitary hormones are synthesized by the hypothalamus, and include oxytocin and antidiuretic hormone. LEARNING OBJECTIVES At the end of the lecture the student should be able to know the • Overview of the posterior pituitary • The function of Oxytocin and ADH • Disorders of ADH • Clinical correlate. The hormones produced by the glands in the endocrine system are released into the blood, depending on what is happening to our body and how our body needs to react. Anterior pituitary: The front portion of the pituitary, a small gland in the head called the master gland. The posterior pituitary gland does not actually produce any hormones, instead they are produced by the hypothalamus, then stored in the posterior pituitary which … b. The hormones secreted by the posterior and anterior pituitary, and the intermediate zone between the lobes are summarized in Table 17.3. Be able to support your answer based on Diagrams. ... (ADH) through the posterior pituitary gland. The hormone signals continue until the cut is closed. Posterior pituitary. It prepares these hormones by chemically altering them, and releases them. Thyroid and Parathyroid Glands . These hormones are stored or released into the blood via the capillary plexus. adrenals, thyroid). 13. These hormones are stored or released into the blood via the capillary plexus. thumb_up Submit. The pituitary gland is often portrayed as the "master gland" of the body. Start studying 3. Human Endocrine System Study Guide / Practice Exam. oxytocin: A hormone that stimulates contractions during labor. Adrenocorticotropic Hormone (ACTH) triggers the adrenals to release the hormone cortisol, which regulates carbohydrate, fat, and protein metabolism and blood pressure. -Magnocellular neurons which extend axons to the posterior pituitary -Release vasopressin a.k.a. French - La Santé Mentale. The following is a list of major hormones of the endocrine system: puberty, by the anterior pituitary gland, to stimulate development of reproductive cell follicles. Hypothalamus–Pituitary Complex. Thyroid stimulating hormone (TSH) or Thyrotropin: This hormone which is secreted by the anterior … This particular gland has two components: the anterior (front) pituitary (or adenohypophysis) and the posterior (back) pituitary (neurohypophysis). The back part of the gland, the posterior pituitary, does not make any hormones itself. Posterior pituitary that secretes posterior hormones is made up of glial tissue and axonal termini. TesRenMus2000. Neurons of the paraventricular nucleus produce the hormone oxytocin, whereas neurons of the supraoptic nucleus produce ADH. The back part of the gland, the posterior pituitary, does not make any hormones itself. Does the posterior pituitary appear to produce any of its own hormones? The pituitary has an anterior lobe and a posterior lobe. Enclosed deep within the skull, the pituitary gland is the size of a pea. The posterior pituitary is where hormones made by the hypothalamus (vasopressin and oxytocin) are stored and released into the bloodstream. It connects to the pituitary gland by the stalk-like infundibulum. Unit 5 Chapter 29 Study Questions. oxytocin. Pituitary gland, also called hypophysis, ductless gland of the endocrine system that secretes hormones directly into the bloodstream. Its primary function is anabolic; it promotes protein synthesis and tissue building through direct and indirect mechanisms ( Figure 17.10 ). In total more than 200 hormones or hormone-like substances have been discovered. Originated from the embryonic brain, and in the adult, the posterior lobe is still connected to the brain by means of the pituitary stalk. The smaller, back part of the pituitary gland, called the posterior pituitary, is really an extension of brain tissue from the hypothalamus. The pituitary gland is often portrayed as the "master gland" of the body. Instead, it contains nerve endings of brain cells that come from the hypothalamus. The Posterior Pituitary Gland Secretes Quizlet Deficiency Calcium normally during exercise blood pressure increases to push the flow of It also is associated with aging menopause high cholesterol. What hormones are released from the posterior pituitary, where are they produced, what is their chemical composition, and what is the target organ and action for each hormone. This in turn severely affects the normal function of other endocrine glands which the pituitary gland controls. A peptide hormone released from the anterior pituitary, it stimulates the production and secretion of steroid hormones by the adrenal cortex. Platelets then release more hormones that signal even more platelets to help stop bleeding. D) involves posterior pituitary release of regulating hormones Is the posterior pituitary an actual gland? Page 1/2 B. are synthesized in the hypothalamus and are released from the posterior pituitary when nerve signals arrive. Pituitary is associated with the release of eight essential hormones in the body; two of which are synthesized by the hypothalamus, while the remaining six are produced locally. What hormones come from the pituitary gland; What hormones come from the pituitary gland keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. The most important hormone for reproduction is called gonadotropin releasing hormone, better known as GnRH. Oxytocin and Vasopressin: Oxytocin and vasopressin are two neurohypophysial hormones. ... OTHER QUIZLET SETS. HORMONES OF POSTERIOR PITUITARY. The posterior lobe (neurohypophysis) doesn’t produce any hormones, but it rather releases two hormones that are initially produced in the nuclei of the hypothalamus. These hypothalamic hormones, called releasing and inhibiting factors, are each specific for a particular anterior pituitary hormone. Stores and releases oxytocin and ADH "anti diuretic hormone. Regulation of Cortisol Secretion by Adrenocorticotropic Hormone from the Pituitary Gland ACTH Stimulates Cortisol Secretion. Flashcards. Most hormones secreted by the hypothalamus travel to the anterior lobe of the pituitary, where they stimulate or inhibit the release of other hormones. Know what happens if pituitary gland is removed. People also ask, what is the function of mineralocorticoid? B) Antidiuretic hormone, released by the posterior pituitary, causes urine volume to increase and blood volume to decrease. Oxytocin is a hormone secreted by the posterior lobe of the pituitary gland, a pea-sized structure at the base of the brain. Hormones are released from the posterior pituitary when posterior pituitary cells are stimulated by action potentials from hypothalamic neurosecretory neurons. Search Email. The pituitary gland secretes nine hormones that regulate homeostasis by stimulating other endocrine glands to produce and secrete their own hormones. As a result, posterior pituitary regulates the release of Aldosterone and reduce the reabsorbing of water. Located at the base of the brain, the pituitary is functionally linked to the hypothalamus. Application 9. The hormones antidiuretic hormone (ADH), also known as vasopressin, and oxytocin are produced by neurons in the hypothalamus and transported within these axons along the infundibulum to the posterior pituitary. List of important hormones and their functions. The paraventricular nuclei produce the hormone oxytocin, whereas the supraoptic nuclei produce ADH. Hormones secreted by the anterior pituitary influence growth, sexual development, skin pigmentation, thyroid function, and adrenocortical function. Widening of the posterior pituitary stalk has been reported with a variety of diseases which cause diabetes insipidus, and may also be an early sign of inflammation of the neurohypophysis. The hypothalamus is located centrally in the brain and communicates by way of an exchange of blood with the pituitary gland. We will try to make the subject more simplified and easy without interfering in the details of biology and we will only mention the names of some glands and responsible function of hormones secreted by that … Somewhere it is written that these are tropin hormone but … The tract comes from neurons in the _____ and _____ of the hypothalamus. adrenocorticotropic hormone. Pituitary gland: It is located directly just below the hypothalamus of brain and is held by an infundibular stalk. The posterior pituitary is an extension of the brain and releases hormones (antidiuretic hormone and oxytocin) produced by the hypothalamus. Oxytocin, also known pitocin, sparks uterine contractions and lactation. These hormones travel along the axons into storage sites in the axon terminals of the posterior pituitary. They are found in the cell membrane and are released from the parent cell through exocytosis. It hangs on a stalk at the base of the brain. The pituitary gland is located just below (anterior pituitary) or in (posterior pituitary) the brain. A) involves FSH and LH release. The pituitary is a small gland attached to the base of the brain (behind the nose) in an area called the pituitary fossa or sella turcica. When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. The neurohypophysis or posterior lobe of the pituitary gland is not a true endocrine gland because _____. ... oxytocin. CRH - corticotropic releasing hormone 2. Your body uses hormones to control growth, development, metabolism, reproduction, mood, and other functions. As a group, come up with a consensus answer to the following: Is the posterior pituitary actually an endocrine gland? it is only a hormone storage area that receives hormones from the hypothalamus for release 47 These brain cells make the hormones, which then move down to and are stored in the posterior pituitary for later use. Numerous hormones influence GnRH secretion, and positive and negative control over GnRH and gonadotropin secretion is actually considerably more complex than depicted in the figure. A major hormone involved in this process is growth hormone (GH), also called somatotropin—a protein hormone produced and secreted by the anterior pituitary gland. The endocrine system is a system of glands that make hormones. Du Vigneud et al. The Hypothalamus and the Pituitary. B. are synthesized in the hypothalamus and are released from the posterior pituitary when nerve signals arrive. The pituitary (also sometimes called the hypophysis) is a gland about the size of a small marble and is located in the brain directly below the hypothalamus. Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is a condition in which the body makes too much antidiuretic hormone (ADH). The two hormones that the posterior pituitary secretes are oxytocin and antidiuretic hormone (ADH), or vasopressin. Oxytocin stimulates uterine contractions when a mother gives birth; doctors often give it to pregnant women to induce labor contractions. Vasopressin is then released from the posterior pituitary gland, leading to the subsequent retention of water by the kidneys. The hypothalamus indirectly affects the whole body by regulating anterior pituitary gland functions. The posterior pituitary hormones: Antidiuretic hormone ( ADH) Oxytocin Overview of Hypothalamic and Pituitary Hormones. Although there are a number of different hormones they can be split into two main types: 1. hormones that tell the pituitary to switch on production of a hormone (a releasing hormone) 2. hormones that tell the pituitary to switch off production of a hormone (an inhibiting hormone). Anatomy of the hypothalamus. injury to the pituitary, resulting in … What triggers ADH? Unlike aldosteronesecretion by the zona glomerulosa, which is controlled mainly by potassium and angiotensin acting directly on the adrenocortical cells, almost no stimuli have direct control effects on the adrenal cells that secrete cortisol. This may occur within a year or many years after treatment. PRF - prolactin releasing factor 5. Learn more about its … Keeping this in view, how do the hypothalamus and the pituitary gland interact quizlet? The menstrual cycle last for approximately 28 days and graphs can be used to follow changes to the hormones during this process. It produces the following two hormones: Oxytocin: This hormone causes pregnant women to start having contractions at the appropriate time and also promotes milk flow in nursing mothers. Such praise is justified in the sense that the anterior and posterior pituitary secrete a battery of hormones that collectively influence … Conversely, the immediate effect of a decrease in serum osmolality—for example, if a person becomes overhydrated (e.g., drinks too much water)—is the inhibition of the osmoreceptors. ... OTHER QUIZLET SETS. Antidiuretic Hormone (ADH) increases reabsorption of water into the blood by the kidneys and therefore decreases urine production. The thyroid gland is under the control of the pituitary gland, a small gland the size of a peanut at the base of the brain (shown here in orange). Key Terms. Their functions are summarized in Table 1. Posterior Pituitary. Anterior. More specifically, it stimulates secretion of glucocorticoids such as cortisol, and has little control over secretion of aldosterone, the other major steroid hormone from the … During surgical removal of pituitary adenomas, pituitary gland may be completely removed from the body. The mineralocorticoid hormones act on the kidney (and specifically on the tubules of the kidney). Aldosterone is a steroid hormone that is produced in the cortex of the adrenal gland, and it is stored in the posterior pituitary gland. GHRH - growth hormone releasing hormone 4. The pituitary gland is located at the base of the brain. There are six types of secretory cells in the anterior lobe which secrete hormones in response to … B) involves a positive feedback loop control of spermatogenesis. The sympathetic nervous system ... Hormones are released from the posterior pituitary when posterior pituitary cells are stimulated by. Figure \(\PageIndex{2}\): Posterior Pituitary. Pituitary Gland This gland has its location at the base of the brain. Hormones produced by other glands in the body. Exam Instructions: Choose your answers to the questions and click 'Next' to see the next set of questions. The hypothalmus is connected to the pituitary by the hypophyseal portal system. It is then stored and released from the pituitary, a small gland at the base of the brain. The pituitary is often called the "master gland" because it controls the secretion of most of the hormones in the body. These brain cells make the hormones, which then move down to and are stored in the posterior pituitary for later use. Thyroid hormones affect almost every organ in the body. Vasopressin (also called antidiuretic hormone, or ADH) causes the kidneys to keep water in the body and not lose it all in the urine. The hormones secreted by the posterior pituitary are produced in the hypothalamus and then passed down … Figure 17.3.1 – Hypothalamus–Pituitary Complex: The hypothalamus region lies inferior and anterior to the thalamus. Hormones secreted by the anterior pituitary influence growth, sexual development, skin pigmentation, thyroid function, and adrenocortical function. It does not produce its own hormones unlike the anterior pituitary does. Instead, it contains nerve endings of brain cells that come from the hypothalamus. A thickened stalk with absence of the posterior pituitary bright spot should prompt a thorough search for systemic diseases known to cause diabetes insipidus. pituitary. a. Prolactin and Human Growth hormone b. Melatonin stimulating hormone and Oxytocin c. Oxytocin and Antidiruetic hormone d. Follicle stimulating hormone and Thyroid stimulating hormone e. Prolactin and ACTH Ans: C Difficulty: medium Feedback: 18.6 Pituitary gland. The thyroid gland uses iodine from food to make two thyroid hormones: triiodothyronine (T3) and thyroxine (T4). Hormones of the posterior pituitary include oxytocin and antidiuretic hormone (ADH). Most hormones secreted by the hypothalamus travel to the anterior lobe of the pituitary, where they stimulate or inhibit the release of other hormones. The most important hormone for reproduction is called gonadotropin releasing hormone, better known as GnRH. Between the anterior pituitary and the posterior pituitary lies the intermediate pituitary gland. An endocrine gland attached to the hypothalamus which has two lobes. Growth hormone. Hormones of posterior pituitary continue… B. OXYTOCIN: - Oxytocin is synthesized in the hypothalamus Stored in the posterior lobe of pituitary gland 34. oxytocin continue… Action of oxytocin: Oxytocin stimulates contraction of mammary gland to produce milk. The hypothalamus makes the posterior lobe of the pituitary gland release ADH and oxytocin. One study reported that 50% of patients treated with conventional radiation developed deficiency of one or more pituitary hormones … The Posterior Lobe of the Pituitary Gland (or neurophpophysis) stores and releases hormones secreted by the hypothalamus section of the brain including: ADH (Antidiuretic hormone) stimulates the smooth muscles, blood vessels and the intestine. While the remaining hormones are formed outside the brain, once released they are carried on by blood to different regions. Figure 2. The specific hormones that the posterior pituitary regulates are vasopressin and oxytocin. Q. GH, LH, FSH, ACTH, TSH & prolactin. The posterior pituitary gland does not produce hormones, but rather stores and secretes hormones produced by the hypothalamus. This gland regulates the function of all other endocrine glands in the body. Stocktrek Images/Getty Images. It is usually about the size of a pea and consists of two parts (often called lobes) - a front part, called the anterior pituitary and a back part, called the posterior pituitary. Overview of Hypothalamic and Pituitary Hormones. It basically stores hormones, which are synthesized in the cell bodies of the supraoptic and paraventricular neurons in the hypothalamus. When the neurosecretory cells are stimulated, the action potential generated triggers the release of the stored hormones from the axon terminals to a capillary network within the posterior pituitary. The thyroid is a dual-lobed gland located in the neck region. This allows for the production of posterior pituitary hormones to be produced in the hypothalamus and be transported via nerves to the posterior lobe to be stored and later used as needed. excessive production of circulating thyroid-stimulating immunoglobulin. The posterior pituitary gland does not produce hormones, but rather stores and secretes hormones produced by the hypothalamus. Keyword Suggestions. The anterior pituitary is a key endocrine centre for systemic hormones, secreting hormones such as adrenocorticotropic hormone (ACTH) … Sometimes called the "master gland," the pituitary gland is the primary influencer of how your other glands operate. Which of the following is involved in the regulation of thyroid hormone levels? This is a network of capillary beds that allows the hypothalmus to control the release of hormones … The best way to learn about hormones is to know how the endocrine system responsible for these hormones works. Antidiuretic hormone ( ADH ), also known as vasopressin, is a small peptide hormone which regulates the body’s retention of water. There are two sets of nerve cells in the hypothalamus that produce hormones. The anterior pituitary receives signals from the hypothalamus and produces six hormones. Posterior pituitary. Controls the secretion of hormones from the adrenal cortex Endorphins Increases with long duration exercise Blocks pain. This includes body functions like metabolism, temperature, moods, growth, and development. The correct answer: The hormones that come from the posterior pituitary B. are synthesized in the hypothalamus and are released from the posterior... See full answer below. antidiuretic hormone (ADH) 44) The hypothalamic-pituitary-gonadal axis _____. It controls the autonomic nervous system, produces a range of hormones and regulates the secretion of many others from the pituitary gland (see Chapter 7 for more information on the hypothalamus). 61 terms. TRH - thyroid releasing hormone 3. Beside above, what are the two hormones secreted by the posterior pituitary gland and what is their function quizlet? c. How do the hormones get from the hypothalamus to the posterior pituitary to be released? The pituitary is often called the "master gland" because it controls the secretion of most of the hormones in the body. The hormones that come from the posterior pituitary A. are synthesized there and are released upon signals from the anterior pituitary. The hypothalamus and the pituitary work hand-in-hand. Which Hormones Are Produced And/Or Controlled By The Posterior Pituitary Or Hypothalamus? The pituitary gland consists of two parts: the anterior pituitary and the posterior pituitary. Neurosecretory cells in the hypothalamus release oxytocin (OT) or ADH into the posterior lobe of the pituitary gland. Which hormone is secreted by the posterior pituitary quizlet. 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