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Ch 8 Gastroenterolog
Small and Large Intestines
| Question | Answer |
|---|---|
| external opening of the rectum. the external _______ sphincter is under voluntary control | anus |
| long, thin pouch on the exterior wall of the cecum. it does not play a role in digestion. it contains lymphatic tissue and is active in the body's immune response | appendix |
| short, pouch-like first part of the large intestine. the appendix is attached to the ________ external wall | cecum |
| longest part of the large intestine. it consist of the ascending ______, transverse ________, descending _________, and S-shaped sigmoid_________. | colon |
| first part of the small intestine. it secretes the hormone cholecystokinin. digestion takes place there, as well as some absorption of nutrients and water | duodenum |
| pouches in the wall of the large intestine that expand to accommodate the bulk of undigested materials | haustra |
| third part of the small intestine. it connects to the cecum of the large intestine. some digestion takes place there. there is absorption of nutrients and water through the wall of the ileum and into the blood | ileum |
| second part of the small intestine. digestion takes place there, as well as some absorption of nutrients and water through the intestinal wall and into the blood | jejunum |
| organ of absorption between the small intestine and the anus. it includes the cecum, colon, rectum, and anus. it is also known as the "large bowel" | large intestine |
| open channel inside a tubular structure such as the esophagus, small intestine, and large intestine | lumen |
| final part of the intestine. it is a short, straight segment that lies between the sigmoid colon and the anus | rectum |
| organ of digestion between the stomach and large intestine. its three parts are "duodenum, jejunum, and ileum". known as the "small bowel" | small intestine |
| microscopic projections of the mucosa in the small intestine. they produce digestive enzymes such as "lactase" to break down sugars. they have a very large combined surface area to maximize the absorption of nutrients into the blood | villi |
| an/o- | anus |
| appendic/o- append/o- | appendix |
| cec/o- | cecum |
| col/o- colon/o- | colon |
| sigmoid/o- (colon) | sigmoid colon |
| duoden/o- | duodenum |
| ile/o- | ileum |
| jejun/o- | jejunum |
| intestin/o- enter/o- | intestine |
| rect/o- proct/o- | rectum |
Created by:
ricrom81
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