Small intestine

Gillian Bianchi and Sarah Collins February 10, 2016 Dr. Leydon SLP-585-A Larynx Dissection 1. When we began we saw the trachea, the aditus, vestibule, and the aryepiglottic folds. a. The trachea is the tube-like structure that attaches to the cricoid, and brings oxygen into the lungs. b. The esophagus is the structure on the posterior side of the structure, this structure brings the bolus into the stomach. c. The aditus is the opening at the top of the structure d. The vestibule e. The…

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As the diaphragm contracts and the intercostal muscles relax, a negative intrathoracic pressure is created which generates a pressure gradient between what is currently higher air pressure outside the respiratory airways, thus directing airflow into the nostrils towards the lungs. A molecule of oxygen near the nostril is sucked in to this moving air and enters the nasal cavity where it experiences turbulence due to the irregular path created by the nasal conchae and nasal meatuses. Here, other…

asymptomatic but cases have been reported in the literature in which patients presented with dyspeptic symptoms. Histologically, pigments are deposited in the lysosomes of macrophages in the lamina propria(10). The pigments mostly consist of iron, but small amounts of calcium, aluminum, potassium, magnesium, sulfur, silicon and silver have also been detected. It has been suggested that these trace elements are probably derived from the biological milieu and/or other drugs and/or food…

The one community I belong in is defined by my interest. My interest involves is spreading awareness, raising money, and communicating with people who suffer from Crohn's Disease or Ulcerative Colitis. As an individual who suffers from Crohn's Disease since the age of nine, I want to do everything I possibly can in order to help find a cure for Crohn's Disease and Ulcerative Colitis. From grades seven to eleven, I raised money for Take Steps, Be Heard for Crohn's and Colitis. All the money went…

Introduction A gastrointestinal arteriovenous malformation is a rare defect of tangled veins and arteries involving the intestine. This defect can occur anywhere in the intestine. The defect creates an abnormal collection of blood vessels that can put pressure on other parts of your body that are close by. It causes blood vessels to expand (dilate) over time and sometimes bleed. Many people with this defect never have any symptoms. This defect is present at birth (congenital). What are the…

The patient’s chief complaint was of sharp pain in the abdomen around the center. The primary organ related to midepigastrum abdominal pain is the pancreas. In the abdomen, the pancreas is located behind the stomach, between the spleen and duodenum. It is a long, slender gland that has a head, body and tail (Lewis, Dirksen, Heitkemper & Bucher, 2014). Peritoneum covers the anterior portion of the pancreas, while inside consists of lobes and lobules. The pancreatic duct enters the duodenum…

epiglottis. This is what sends food to the esophagus and this is what doesn’t let the food go down to the trachea and into the lungs. The process of food moving down to the esophagus is called peristalsis. Peristalsis uses a coat of muscles in the intestines and esophagus. These muscles then therefore calm down and relax and become into a wave motion to let the food pass straight forward. The next…

The Effect of Active Transport on the Movement of Glucose Against the Concentration 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).…

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., 2002). Surgical resection may be necessary due to a myriad of medical problems affecting the small intestines such as necrotizing enterocolitis, trauma, malignancies, Crohn’s disease, and…