"Corticospinal tract" Essays and Research Papers

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    Study Guide Spinal Cord

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    MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In the spinal cord‚ white matter is organized into ascending and descending tracts grouping into A) nuclei. B) nerves. C) columns. D) ganglia. E) horns. 2) Enlargements of the spinal cord occur A) adjacent to the anterior median fissure. B) in the filum terminale. C) near the posterior median sulcus. D) in segments of the spinal cord that control the limbs. E) in the thoracic

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    inner layers of the spinal cord.2 Within the spinal cord are areas of white matter containing axons and neurons‚ and an H-shaped area of gray matter which contains neuronal cells. The white matter has ascending sensory tracts and descending motor tracts in which the ascending tracts send signals from receptors

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    ------------------------------------------------- Hypertrophic cardiomyopathy Hypertrophic cardiomyopathy (HCM) is a primary disease of the myocardium (the muscle of the heart) in which a portion of the myocardium ishypertrophied (thickened) without any obvious cause. It is perhaps best known as a leading cause of sudden cardiac death in young athletes.[7] The occurrence of hypertrophic cardiomyopathy is a significant cause of sudden unexpected cardiac death in any age group and as a cause of disabling

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    Ak Prevention

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    How can AKI be prevented? According to the National Confidential Enquiry into Patient Outcome and Death 2009‚ up to 30% of cases of acute kidney injury may be preventable and the best ’treatment of AKI is prevention.’ [3]This can mainly be done by identifying patients most at risk as early as possible. This would involve constant monitoring of urinary output and serum creatinine levels for the high risk patients. However in general‚ all hospitalized patients with acute illness should be monitored

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    Mouth

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    muscle that contracts and relaxes to integrate digestive juices with the food causing it to breakdown. The SMALL INTESTINE is the next organ in the digestive system that is controlled by a sphincter muscle that helps move food into and through the tract. The small intestine is made up of three segments 1-Duodenum 2-Jejunum 3-Ileu. t’d: Jejunum & Ileum… VILLI •Small fingerlike projections •Increase surface area for absorption •Absorb nutrients through membranes known as semi permeable membranes

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    reticular formed with tracts of passages and contains three colorful structures that biopsychologists use; grey‚ black‚ and red. These colorful sections contribute too many functions: sleep‚ attention‚ and movement‚ maintenance of muscle tone‚ cardiac‚ circulatory‚ and respiratory reflexes. The grey matter has a role in the effects of opiate drugs or pain reducers. The black and red areas are both important in the sensorimotor system. The Metencephalon houses many tracts and part of the reticular

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    The digestive system is greatly assisted by the enteric nervous system (ENS). The gastrointestinal tract has a sophisticated network of neurons that control different aspects of digestion‚ apart from the central nervous system. To ensure effective digestion and nutritional absorption‚ the ENS regulates blood flow‚ peristalsis‚ and the release of digestive enzymes. Furthermore‚ it coordinates reactions to changes in the gastrointestinal environment through bidirectional communication with the autonomic

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    Human Physiology Chapter 20

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    a basic process of the gastrointestinal system? A) digestion B) filtration C) absorption D) secretion E) motility Answer: B Diff: 4 Page Ref: 568 2) Which of the following is the correct order of the layers of the gastrointestinal tract wall‚ from lumen to external surface? A) mucosa  submucosa  muscularis externa  serosa B) serosa  muscularis externa  submucosa  mucosa C) serosa  mucosa  submucosa  muscularis externa D) mucosa  submucosa  serosa  muscularis externa

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    Probiotics

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    lactic acid bacteria‚ of which Lactobacillus acidophilus‚ found in yogurt with live cultures‚ is the best known. Yeast is also a probiotic substance. But only certain types of bacteria or yeast (called strains) have been shown to work in the digestive tract. Probiotics are also available as dietary supplements. Lactobacillus and Bifidobacteria Lactobacillus and Bifidobacteria is a type of bacteria. These are "friendly" bacteria that normally live in our digestive‚ urinary‚ and genital systems

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    wewew

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    cells. It was found that after exposure to humor there was an increase in activated T-cells (T-lymphocytes) also the following were noted; increase in the antibody Ida (immunoglobulin A) which fights upper respiratory tract infection‚ increase in gamma interferon which tells various components of the immune system to “turn on”; increase in IgB‚ the Immunoglobulin produced in greatest quantity in the body‚ and an increase in compliment free

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