<prompt> Position of internal hemorrhoid in anus is especially common in -4 o clock position11 o clock position8 o clock position9 o clock position  <response>: Ans. is b i.e., 11 o clock position Classification of hemorrhoidsInternal hemorrhoidsExternal hemorrhoids Located proximal to the dentate line Covered by transitional and columnar epithelium therefore are usually painless Internal haemorrhoids Greek: haima, blood; rhoos, flowing; synonym: piles, Latin: pila, a ball are symptomatic anal cushions and characteristically lie in the 3, 7 and 11 oclock positions with the patient in the lithotomy position located distal to dentate line Covered by richly innervated squamous epithelium thus its thrombosis causes severe pain. For the same reason external hemorrhoid are not ligated 