Hormone

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  • Gonadotropin-Releasing Hormone Lab Report

    Introduction In vertebrates, reproduction is primarily controlled by the hypothalamus-pituitary-gonad axis. The gonadotropin-releasing hormone (GnRH) neurons in the hypothalamus are key regulators of the hypothalamic neuroendocrine system mainly though the synthesis of GnRH (Moenter et al., 2003). The decapeptide GnRH is released from the hypothalamus in a pulsatile manner, and the amplitude and frequency of these pulses change throughout the estrous cycle (McCartney et al., 2002; Moenter et al., 2003). High amplitude and low frequency pulses of GnRH secretion occur during the luteal phase of the estrous cycle with pulse frequency increasing and amplitude decreasing during the follicular phase (Savio et al., 1988; Clarke and Pompolo, 2005).…

    Words: 5799 - Pages: 24
  • Plant Hormones Lab Report

    There are several different types of plant hormones some of which inhibit or promote growth in the plant. There are also synthetic varieties of these plant hormones, specifically the plant hormone auxin which has many different synthetic compounds. There is not much data on the impact that these synthetic hormones have on plants growth rate in pea plants. In order to understand the impacts of synthetic auxin an experiment was conducted using natural auxin, naphthaleneacetic acid, and…

    Words: 1818 - Pages: 8
  • Human Growth Hormone Case Study

    Introduction Human Growth Hormone is one of the major hormone found in the endocrine system in the body. It is an essential hormone that stimulates the body growth, normal brain function and secreted by the somatotropin cells in the anterior pituitary gland. There is a condition of abnormal body grow such as pituitary gigantism and pituitary dwarfism which the body over create grow hormone or doesn’t create enough GH. Another name for pituitary dwarfism is growth hormone deficiency. According…

    Words: 936 - Pages: 4
  • Roles Of The Endocrine System

    because the hormones which are produced by this system act at the distance, many of those substances act in the different organs. The endocrine system and nervous system work together to coordinate functions of all systems in human body, they are responsible for maintaining the internal environment, nearly all physiological processes are affected by the hormones. They regulate almost all body function starting from metabolism, grow and development as well as water and electrolyte balance,…

    Words: 1000 - Pages: 4
  • Cancer Vs Colon Cancer

    such as, estrogen levels in women, body mass index in different races of men, one study sought to figure out who is more likely to develop colon cancer. Other studies aim to understand what specific effects one’s diet has concerning colon cancer. One research group evaluated the correlation between high intakes of plant foods and fiber and people who developed colon cancer. Another study focused on antioxidant and DNA methylation-related nutrients and risk of distal colorectal cancer. While…

    Words: 1235 - Pages: 5
  • Oral Cavity: Article Analysis

    In the article, Hormones: Their Effect on the Oral Cavity, it first talks about the cause of periodontal disease. It says that plaque is the primary factor in the development of periodontal disease along with systemic and local factor. In this article, the author explains how different hormones work in our body and how they can cause periodontal disease. For example, the ovaries produce sex hormones that play a role in the female reproductive system. These sex hormones, estrogen and progesterone…

    Words: 279 - Pages: 2
  • Summary Of Men's Emotional System

    Helen E. FisherPh.D. , states that “the three emotional systems lust, attraction, and attachment are somewhat disconnected in human beings...” (Fisher, 2000). I am strongly going to agree with that theory. The emotional systems of men are timed with biological reproduction abilities and driven by hormones or the lack of them hormones such as Testosterone, Vasopressin and Estrogen. Gender behavior patterns that are instilled in men such as not showing emotion such as through crying and through…

    Words: 1080 - Pages: 5
  • Hcg Drops Case Study

    making the same individuals lose hope and just stop looking. But, with a bit of right information and a correct approach, anyone can get the same supplement in a simple and easy manner, so they too can begin the process of weight loss. Here are the essential facts about how to find the best HCG drops around. What do HCG Drops Represent? Before finding the best option for buying these drops, any potential customer should have a basic knowledge about what HCG drops are and what are they made…

    Words: 876 - Pages: 4
  • Virginia Vitzthum Environmental Stress

    stated that if it were a genetic influence, it would have been a periodic pregnancy loss throughout the year. Dr. Vitzthum also contributed to the topic of comparing pregnancy in industrialized women to women in an agrarian society. She discussed how she hypothesizes childhood sets the stage for adulthood. In an industrial society, women are exposed to an increased food supply and are told to participate in moderate activity levels. This results from menstrual activity being hypersensitive to…

    Words: 1183 - Pages: 5
  • Cell Communication

    The nerve cell knows when to release a neurotransmitter after an electrical signal is triggered. Once the electrical signal is triggered the nerve cell will secrete a chemical, the neurotransmitter, which will diffuse across the synapse. The synapse is a compact space between the target cell and the nerve cell. Hormonal Signaling Endocrine cells secrete hormones into the blood vessel, which then send them to target cells. For any cell signaling and response to happen, a specific cell must send a…

    Words: 949 - Pages: 4
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