Hemorrhoid

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Hemorrhoids (US English) or haemorrhoids UK /?h?m?r??dz/ are vascular structures in the anal canal which help with stool control. They become pathological or piles when swollen or inflamed. In their normal state they act as a cushion composed of arterio-venous channels and connective tissue.The symptoms of pathological hemorrhoids depend on the type present.
Links
https://en.wikipedia.org/wiki/Hemorrhoid
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