External Hemorrhoids
Hemorrhoids involve the blood vessels that line the anus. Pressure on the walls of the rectum weakens the muscles that support the hemorrhoidal vessels. They then become enlarged and lose their support and result in a sac-like protrusion inside the rectal canal (called internal hemorrhoids)...
More information on "External Hemorrhoids"
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From Our Sources
Hemorrhoids
Source: ADAM Encyclopedia
Hemorrhoids are painful, swollen veins in the lower portion of the rectum or anus.Alternative NamesRectal lump; Piles; Lump in the rectum Causes,... Read more »
Hemorrhoids
Source: Harvard Decision Guide
What Is It? A hemorrhoid is a bulging, distended vein in the area around the anus, the opening through which stool passes. This happens when pressure... Read more »
External Fixation of Bone Fractures
Source: HealthCentral Encyclopedia
External fixation involves the use of pins through the bone attached to a steel rod outside the limb. External fixation is used primarily to... Read more »
External incontinence devices
Source: ADAM Encyclopedia
External incontinence devices are products, called appliances, worn on the outside of the body to protect the skin from constant leakage of stool or... Read more »
Angina Treatment Patient Guide- Enhanced External Counterpulsa...
What is enhanced external counterpulsation?Enhanced External Counterpulsation (EECP) is a treatment for angina (also called angina pectoris), or... Read more »
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