单词 | hemorrhoid |
释义 | hemorrhoidnoun hem·or·rhoid ˈhem-ˌrȯid ˈhe-mə- : an abnormal mass of dilated and engorged blood vessels in swollen tissue that occurs internally in the anal canal or externally around the anus, that may be marked by bleeding, pain, or itching, and that when occurring internally often protrude through the outer sphincter of the anus and when occurring externally may lead to thrombosis —usually used in plural called also piles |
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