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Related Flashcards
Cards In This Set
| Front | Back |
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What is the GI tract comprised of?
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alimentary canal (muscular tube) that is 5-7 meters in length, accessory organs (such as teeth tongue liver pancreas etc)
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What is the esophagus and how long is it
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the esophagus is a muscular tube that is 25cm long and is stretched btwn distal end of laryngopharynx (CVI) and stomach (cardia of stomach - level TXI)
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Where does the blood supply for the GI tract come from?
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arterial supply for the GI tract is from branches of the thoracic aorta
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What innervates the GI tract?
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the nerve supply for the GI tract is mainly by CNX
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What other structures are related to the esophagus?
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the esophagus has important relations with the trachea, aortic arch, and left atrium of the heart
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What is the stomach? how much can it hold?
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the stomach is a muscular sac with the capacity of 1 litre,
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Where is the stomach located?
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the stomach is located in the left hypochondriac and epigastric areas
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What are the subdivided segments of the stomach?
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 fundus, body and pyloric part |
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What is the left border of the stomach known as? what is the right border of the stomach known as?
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the left and right borders of the stomach are known as the greater and lesser curvatures, respectively.
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How are the entrance and exit of the stomach guarded?
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the entrance to the stomach is guarded by the cardiac sphincter and the exit of the stomach is guarded by the pylorus/pyloric sphincter
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What causes hiccups?
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hiccups are caused by an irritation of the diaphragm
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What is the duodenum?
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the duodenum is the first segment of the small intestine, and is 25cm in length, and about 12 fingers wide
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How is the duodenum related to the pancreas?
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the duodenum forms a loop which opens to the left and surrounds the head of the pancreas
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What are the four subdivided segments of the duodenum?
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 superior, descending, inferior/trans, ascending |
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What part of the duodenum receives secretions from the pancreas & bile?
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the second segment receives the secretions of pancreas and bile (formed from the liver)the second segment of the duodenum is the descending segment
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