Human Anatomy and Physiology 2 Growth Hormone and Thyroid hormones Growth hormone is produced and secreted by the anterior pituitary gland. This hormone was once believed to be of importance only during periods of active growth‚ but it is now recognized that adults produce nearly as much GH as children (Adams and Koch‚ 2009).GH stimulates the liver to produce sommatropins that then targets a variety of cells. Although its major targets are bone and skeletal muscle‚ GH stimulates many types of
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Growth Growth and development are the most fundamental characteristics of all living organisms. The physiological definition of growth is “An irreversible change in the organism‚ organ or cell is called growth”‚ which includes increase in mass weight or volume of living organism‚ it leads to development in plants. REGION OF GROWTH: Growth region is located at extreme apices of root‚ stem‚ leaf where we make out meristematic tissue. In addition to above‚ the region where intercalary and lateral
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(neurohypophysis). The anterior lobe secretes at least seven hormones. One hormone‚ the human growth hormone (HGH)‚ promotes body growth by accelerating protein synthesis. This hormone is also known as somatotropin. A deficiency of the hormone results in dwarfism; an over secretion results in gigantism. Another hormone of the anterior pituitary is prolactin‚ also called lactogenic hormone (LH). This hormone promotes breast development and milk secretion in females. A third hormone is thyroid-stimulating
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Achondroplasia In humans achondroplasia is the most common form of non-lethal skeletal dysplasia (short limb dwarfism)‚ affecting over 250‚000 people worldwide. The incidence is approximately one in 10‚000-30‚000 live births. (1-7) Achondroplasia is characterised by short stature (average height of 120-132cm (2‚3)) with disproportionately shorter proximal limb bones‚ a long trunk with a narrow thorax‚ macrocephaly with frontal bossing and mid face hyperplasia. (1-4) People with achondroplasia also
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The Efficacy‚ Safety and Benefits of Bovine Somatotropin and Porcine Somatotropin Prepared for the American Council on Science and Health by Terry D. Etherton‚ Ph.D. Professor of Animal Nutrition and Physiology in the Department of Dairy and Animal Science at The Pennsylvania State University ACSH Publications Editor: Andrea Golaine Case‚ M.S. Please Note: For the web site version of this report‚ tables are provided but diagrams are not. Executive Summary As the world’s population grows
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Bovine Growth Hormones: Should We Use Them? Michelle Szalasny Dr. Juan Bouzat Sarah Wofford Biology 2040H Fall 2013 Introduction Recombinant Bovine Growth Hormone‚ also referred to as Bovine Somatotropin (rBST)‚ is a genetically engineered growth hormone most commonly manufactured by Monsanto. Monsanto sells this drug under the name of “Posilac” to dairy farmers who choose to use the growth hormone. Although most of these bovine growth hormones
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loss‚ obesity‚ speech problems‚ dental abnormalities and webbed neck History of disorder • Turner’s syndrome history began in 1938 when Henry Turner (discoverer‚ hence “Turner’s” syndrome) described several patients he tried to cure‚ that had dwarfism and a deficiency of sexual development • Since 1938‚ there has been numerous hours of research done on Turner’s syndrome that has led to the knowledge we have today. How is the gene responsible for the symptoms? • Researchers are not
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Dwarfism comes with possible complications such as abnormal bone structure and the possibility of living in a wheelchair for the rest of one’s life. After considering the possible complications and outcomes due to the fetus not inheriting one copy of the
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Chapter 10 Genetic Engineering: * Bioengineering- direct deliberate modification of an organism’s genome. * Biotechnology- use of an organism’s biochemical and metabolic pathways for industrial production. 1. Tools and techniques of genetic engineering * Enzymes for dicing‚ splicing‚ and reversing nucleic acids. * Analysis of DNA. * Restriction endonucleases- recognize specific sequence of DNA and break phosphate-sugar bond. * Liagase- rejoins phosphate-sugar bonds cuts
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Eligible applicants must not only exemplify a healthy lifestyle‚ but also promote vegetarianism within their community too. Vegetarians do not eat meat‚ fish‚ or fowl The Billy Barty Foundation is one of the most well known organizations for dwarfism simply because of Billy’s celebrity status and visibility. But the organization promotes the reality of the condition outside the traditional cultural mockery. Barty was committed to demonstrating that "little people" are just as regular as anyone
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