Define Hemorrhoidal Tissue
Hemorrhoidal tissue is a mass of swollen tissue or swollen varicose veins located in the anus or rectum. These masses can be painful, but are usually treatable, according to Hemorrhoid.net. See your doctor if you think you may have hemorrhoids.
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Internal
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Internal hemorrhoids occur out of sight in the anal canal. Anal bleeding is the most common symptom.
External
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External hemorrhoids occur outside of the anus and are visible. These blue groupings of vein can become inflamed, causing them to be tender.
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Prolapsed
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Internal hemorrhoids may come out of the anal opening while the bowels are being moved. This condition is called a proplapsed internal hemorrhoid, and it can be painful to ease back into the rectum, according to Hemorrhoid.net.
Blood Clots
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Blood clots sometimes form inside external hemorrhoids. This is called a thrombosed external hemorrhoid, and can be very painful, according to Hemorrhoid.net.
Prevalence
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Hemorrhoids are very common, according to Hemorrhoid.net. At least 50 percent of the population have them by age 50.
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