Veins: Hemorrhoids are normal veins in the anal canal. They can become inflamed or enlarged with constipation or prolonged and repeated straining to have a bowel movement.
Answered 2/11/2014
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Piles: A hemorrhoid is a enlarged vein at the anus or in the lower rectum. Internal hemorrhoids are deep to the anus. External hemorrhoids are outside of the anus. A hemorrhoid is a bump that can cause pain, bleeding and may be itchy.
Answered 2/5/2014
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