Hemorrhoids overview: Difference between revisions
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==Overview== | ==Overview== | ||
'''Hemorrhoids''' are [[Varices|varicosities]] or [[swelling (medical)|swelling]] and [[inflammation]] of [[veins]] in the [[rectum]] and [[anus]]. | '''Hemorrhoids''' are [[Varices|varicosities]] or [[swelling (medical)|swelling]] and [[inflammation]] of [[veins]] in the [[rectum]] and [[anus]]. Hemorrhoids are swollen and inflamed veins around the anus or in the lower rectum. The rectum is the last part of the large intestine leading to the anus. The anus is the opening at the end of the digestive tract where bowel contents leave the body. | ||
External hemorrhoids are located under the skin around the anus. Internal hemorrhoids develop in the lower rectum. Internal hemorrhoids may protrude, or prolapse, through the anus. Most prolapsed hemorrhoids shrink back inside the rectum on their own. Severely prolapsed hemorrhoids may protrude permanently and require treatment. | |||
==References== | ==References== | ||
Revision as of 17:54, 29 August 2012
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Hemorrhoids Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Hemorrhoids overview On the Web |
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American Roentgen Ray Society Images of Hemorrhoids overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Hemorrhoids are varicosities or swelling and inflammation of veins in the rectum and anus. Hemorrhoids are swollen and inflamed veins around the anus or in the lower rectum. The rectum is the last part of the large intestine leading to the anus. The anus is the opening at the end of the digestive tract where bowel contents leave the body. External hemorrhoids are located under the skin around the anus. Internal hemorrhoids develop in the lower rectum. Internal hemorrhoids may protrude, or prolapse, through the anus. Most prolapsed hemorrhoids shrink back inside the rectum on their own. Severely prolapsed hemorrhoids may protrude permanently and require treatment.