Intestine

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    The main job of the small intestine is to break down digested material (assimilation) with the use of chemicals in order to break down large molecules of food into little molecules and to absorb most of the nutrients from everything we eat or drink through the intestine walls via the process of diffusion. As written in IvyRose Holistic website, “Digested material may be transported into blood vessels in the wall of the small intestine by the processes of simple/passive diffusion, facilitated diffusion, primary active transport, or secondary active transport.” (2016, para. 12). So digestion means the process where food and drink are broken down into very small pieces in order for the body to be able to use them sustain cells and for energy.…

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    The small intestine consists of three divisions: The duodenum is the uppermost division and the part to which the pyloric end of the stomach attaches. it is about 25 cm (10 inches) long and is shaped roughly like the letter C. The name duodenum , meaning " 12 fingerbreadths," refers to the short length of this intestinal division. The duodenum becomes jejunum at the point where the tube turns abruptly forward and downward . The jejunal portion continues for approximately the next 2.5 m (8…

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    Wolf’s small intestine is similar to other mammals in structure and function. Except that wolf’s small intestine is shorter than other non-ruminants. There is a trend in digestive system lengths correlate to an animal’s diet (Strack and Linzey.) Carnivores like wolves have less complex and less variety of diet (Strack and Linzey.) Unlike humans, wolves have smaller pancreas, which mean less enzymes produced(Griffiths and Ruish.) Wolves need to eat digested food with enzymes or easily digested…

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    Discussion: 1. Compare the ratio of the lengths of the intestine in earthworms, frogs, pigs, and humans. What significance do the lengths have with respect to the organism? Based on dissection, it was noted that the length of the intestine in earthworms, frogs, and humans all vary in sizes. The intestine of the earthworm is about two-thirds of the worm 's body length. The length of the small intestine of the frog is 3 feet while its large intestine is about 1 feet. A pig 's small intestine…

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    Background information Structure of the large intestine The large intestine (also known as large bowel or colon) is the last part of the gastrointestinal (GI) tract. It extends from the cecum to the anus, with the ascending colon, the transverse colon, the descending colon, the sigmoid colon and the rectum in between. The large intestine consists of four layers of tissue: the mucosa, submucosa, muscle and serosa (figure 1). The mucosa is made out of an epithelial layer, with a layer of…

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    The most common side effect of colon cancer chemotherapeutic (CPT-11) is patients having severe diarrhea, caused by symbiotic bacterial β-glucuronidases. Which causes the drug to reactivate inside the gut. The enzymes were targeted without destroying bacteria that’s needed for human health. However, the purpose of these inhibitors is a way to prevent damage to mammalian cells that’s present in the intestines. If β-glucuronidase which causes the diarrhea isn’t inhibited the patients will have a…

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    Ethnographic Interview

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    in that short time they can impact the way someone lives. However, only a number of people have experienced a chronic, or lifelong, illness. The apparent and less obvious ways an illness can change an individual’s life are numerous, reaching far beyond fitness and bodily health into other aspects of life. The affects of a chronic illness are not limited simply to physical health but extend much further into negatively influencing social interactions, mental well-being, and financial security.…

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    years ago, celiac disease has become more prevalent than ever before. When one consumes food containing the protein gluten, the small intestine reacts by preventing vitamins and minerals to absorb. Gluten peptides are perceived as foreigners by antibodies within the body. Therefore, these antibodies treat them as a threat, and begin to destroy the intestinal wall called the epithelium and beyond the small intestine. Resolving the problem essentially requires a strict gluten-free diet which…

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    Active Transport Essay

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    Gradient within the Small Intestine of a Rat Introduction The movement of substances across the cell membrane occurs in many ways, including transport by carrier proteins, also known as active transport (Barman et al. 1986). Active transport involves the movement of molecules through the cell membrane against a concentration gradient with the help of a carrier protein utilizing ATP energy. (Barman et al. 1986). This differs from processes like diffusion where the molecules or ions do not move…

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    Short Bowel Syndrome

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    Definition and Causes of Short Bowel Syndrome The patient in this case study was immunocompromised due to Short Bowel Syndrome (SBS) which predisposed her to discitis infection. SBS is a disorder that hinders the absorption of nutrients and fluids usually after extensive small intestine resection (Tee, Wallis, & Gabe, 2011). An average person’s small intestine is 600cm long (Sundaram, Koutkia, & Apovian, 2002). In SBS, the small bowel has been shortened at least 70 percent (Sundaram et al.,…

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