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2. Hemorrhoid - Wikipedia

   en.wikipedia.org/wiki/Hemorrhoid

   They are composed of neither arteries nor veins, but blood vessels called sinusoids, connective tissue, and smooth muscle. [2]: 175 Sinusoids do not have muscle tissue in their walls, as veins do. [8] This set of blood vessels is known as the hemorrhoidal plexus. [2] Hemorrhoid cushions are important for continence.

3. How to Prevent and Treat Hemorrhoids, According to Doctors - AOL

   www.aol.com/lifestyle/prevent-treat-hemorrhoids...

   However, when people have a thrombosed external hemorrhoid—which is when a blood clot forms—severe pain can last for three to five days, with symptoms gradually subsiding over three weeks ...

4. Hemorrhoidal artery embolization - Wikipedia

   en.wikipedia.org/wiki/Hemorrhoidal_artery_emboli...

   Hemorrhoidal artery embolization (HAE, or hemorrhoid artery embolization) is a non-surgical treatment of internal hemorrhoids. [ 1 ] The procedure involves blocking the abnormal blood flow to the rectal (hemorrhoidal) arteries using microcoils and/or microparticles to decrease the size of the hemorrhoids and improve hemorrhoid related symptoms ...

5. Transanal hemorrhoidal dearterialization - Wikipedia

   en.wikipedia.org/wiki/Transanal_hemorrhoidal_de...

   Hemorrhoids are fed by arteries and drained by veins. The arterial blood supply is based on the superior rectal (hemorrhoidal) artery. Just as veins in the leg weaken and become prominent, hemorrhoidal veins also may become varicose, resulting in internal hemorrhoids or “piles”. Internal hemorrhoids are divided into four grades.

6. How to Get Rid of Hemorrhoids at Home—Plus When to ... - AOL

   www.aol.com/lifestyle/rid-painful-hemorrhoids...

   Recovery from the surgical removal of hemorrhoids (a.k.a. hemorrhoidectomy) can be extremely painful, notes Dr. Bernstein, but it’s one of the most effective ways to get rid of hemorrhoids for good.

7. 11 Surprising Causes Of Butt Pain (And What To Do About ... - AOL

   www.aol.com/news/11-surprising-causes-butt-pain...

   5. Hemorrhoids. Hemorrhoids are swollen blood vessels that form on the anus and rectum, according to the National Institute of Diabetes and Digestive and Kidney Diseases. There are two types ...