external hemorrhoid

external hemorrhoid

noun Pathology.
See under hemorrhoid.
Dictionary.com Unabridged

hem·or·rhoid

[hem-uh-roid, hem-roid]
noun
Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid).
Also called pile.


Origin:
1350–1400; Middle English emoroides (plural) < Latin haemorrhoid(a) < Greek haimorroḯda (adj.) discharging blood

hem·or·rhoi·dal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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