BIO127 Digest System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Peritoneum | The thin, shiny, serous membrane that lines the abdominopelvic cavity and also folds back to cover most of the organs contained within the cavity
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Mesentery | The double-layered portion of the peritoneum that is somewhat fan-shaped, with the handle portion attached to the abdominal wall and the fan attached to the small intestine.
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Cecum | The first segment of the large intestine; a small pouch-like sac or cul de sac to which the vermiform appendix (aka appendix) is attached
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Ascending Colon | Second section of the large intestine
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Transverse Colon | Third section of the large intestine
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Descending Colon | Fourth section of the large intestine
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Sigmoid Colon | Last section of the large intestine. This section empties into the Rectum.
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Rectum | Rectum means straight; undigestible food empties into here, waiting for expulsion.
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Anus | Opening to the outside for defecation.
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Amylase | Enzyme manufactured by the salivary glands that initiates the digestion of carbohydrates. Amylase is ALSO produced by the Pancreas
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Duodenum | First segment of the small intestine. Receives food from the stomach after it passes through the pyloric sphincter. Most enzymes from accessory organs are added here and absorption begins.
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Jejunum | Second segment of the small intestine. Receives food from the duodenum. Absorption is the digestive process that occurs here.
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Ileum | 3rd segment of the small intestine; Most remaining nutrients absorbed here. Empties into the large intestine.
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Pyloric Sphincter | Sphincter at the distal end of the stomach; allows partially digested food (chyme) to exit the stomach and enter the duodenum
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Gallbladder | Muscular organ on the inferior surface of the liver that stores bile and releases it into the duodenum after meals to aid in the digestion of fats.
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Cholelithiasis | The term that describes the condition of having stones in the gallbladder.
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Esophageal Sphincter | Sphincter at the upper end of the stomach; allows food to end the stomach from the esophagus. Failure of this sphincter can lead to a hiatal hernia
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Lipase | Pancreatic enzyme that digests fats
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Trypsin | Pancreatic enzyme that digests proteins
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Pepsin | Protein digesting enzyme produced by the stomach in an inactive form called pepsinogen. Becomes active when it comes in contact with hydrocholoric acid
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Hydrochloric Acid | Strong acid that denatures proteins to prepare them for digestion and also destroys foreign organisms.
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Pancreas | Long gland extending from the duodenum to the spleen. Has both exocrine and endocrine functions. Exocrine functions aid in digestion
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Common Bile Duct | The duct formed by the union of the common hepatic duct and the common cystic duct from the gallbladder
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Sublingual glands | Salivary glands located underneath the tongue
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Leptin | From the Greek word leptos,meaning thin, Leptin is a hormone produced by adipocytes. Leptin helps to regulate food intake and control fat storage. Your adipocytes tell you "Hey, lept-o-yo-self back from the table! You have plenty of fuel to burn here."
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Grehlin | Hormone released by an empty stomach between meals or an empty stomach that stimulates hunger. Grrrr-ehlin. "I'm hungry. Feed me."
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Created by:
Marlys
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