Lab Exercise 8.5.1: Hormone Levels During the Menstrual Cycle How do hormone levels regulate the female menstrual cycle? Use the following experimental data to analyze hormone levels during the menstrual cycle. Analysis 1. Gonadotropic hormones regulate ovarian hormones. Study the feedback loop shown in Figure 4. Figure 4 Feedback loop showing the regulation of ovarian hormones by gonadotropic hormones. (a) Identify as W‚ X‚ Y‚ or Z the two gonadotropic hormones represented in the diagram
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Endocrine system The Endocrine system is very important to our body. This system regulates our mood‚ growth‚ metabolism‚ tissue development‚ sexual functions and reproductive process. It is a very complex system with many different hormones and glands. I am going to write about the pituitary gland and thyroid. The pituitary gland is very often considered to be the most important glad in the Endocrine system. The Thyroid produces thyroxine andtriiodothyronine. The Pituitary gland is no bigger
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part of the endocrine system that produces a hormone called the thyroid-stimulating hormone. These hormones play a role in regulating different parts in the body‚ such as metabolism‚ body temperature‚ and bone growth (N1). It even plays a role in how your heart beats! The thyroid-stimulating hormone also helps with the development of certain organs of the body in children. (N2) An overactive thyroid gland produces substantial quantities of the thyroid hormone‚ which can be detrimental to one’s health
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Research each of the following and write a paragraph describing the endocrine gland‚ hormone‚ target tissue‚ symptoms‚ causes‚ and treatment options. Human chorionic gonadotropin (hCG) Human chorionic gonadotropin‚ or hCG‚ is a hormone that helps with the development of an egg in a woman’s ovary‚ as well as the release of the egg during ovulation. If the body doesn’t produce enough hCG on it’s own‚ you can receive injections of it. The injections aren’t for women only‚ they can be used in men to
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for teens. It manufactures the hormones that help control metabolism and growth. To do its job‚ the thyroid needs a chemical element called iodine that the body absorbs from the foods you eat and the water you drink. The entire body contains about 50 milligrams of iodine. About 1/5 to 1/3 of that supply (10 to 15 milligrams) is stored in your thyroid. The thyroid combines the iodine with tyrosine (an essential amino acid) to make important hormones. Thyroid hormones are released from the gland and
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4Action of hormones in the Menstrual Cycle The Ovarian Cycle The cycle begins with the release from the hypothalamus of gonadotrophin – releasing hormone (GnRH)‚ which stimulates the pituitary to secrete small amounts of Follicle Stimulating Hormone (FSH) and Luteinising Hormone (LH). The FSH stimulates follicle growth‚ aided by LH and the cells of the growing follicles start to make estrogen. Notice in figure(d) that there is a slow rise in the amount of estrogen
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of an overactive thyroid hormone usually resulting from an enlarged thyroid gland‚ and it is most common in older cats. While it does occur in younger cats‚ it is a rare occurrence as only about 5% of cases are from younger cats. [4] The enlargement of the thyroid gland is typically the result of a non-cancerous tumor located in the gland. The thyroid hormone (T3 and T4) is produced in the two thyroid glands in the neck on either side of the trachea. The thyroid hormone regulates metabolism‚ digestion
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Sitjar‚ Desiree; Sol Cruz‚ Lezrahmae; Songco‚ Francis; Soriano‚ Christian; Soriano‚ Joyce; Lim‚ Monica GLAND HORMONE HYPER HYPO PITUITARY Posterior Oxytocin Active uterine contractions Bleeding during labor Strong contractions Increased milk secretion Weak or uncoordinated contraction during labor Postpartum hemorrhage Uterine atony Fatigue Decreased milk secretion Anti-Diuretic Hormone Syndrome of Inappropriate ADH - weight gain without peripheral edema; anorexia‚ fatigue‚ Nausea and vomiting and
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at the time of his death in his mid-20s. He showed no indication of an end to his growth even at the time of his death. Causes Gigantism is abnormally large growth due to an excess of growth hormone during childhood‚ before the bone growth plates have closed. The most common cause of too much growth hormone release is a noncancerous (benign) tumor of the pituitary gland. The consequence is an accelerated growth rate and increased height as well as a number of additional soft tissue changes.
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The TSH receptor is expressed on the follicular cells of the thyroid gland (the cells that produce thyroid hormone)‚ and the result of chronic stimulation is an abnormally high production of T3 and T4. This in turn causes the clinical symptoms of hyperthyroidism‚ and the enlargement of the thyroid gland visible as goitre. The infiltrative exophthalmos that is
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