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- piles. hemorrhoidal disease. comparison and differences between healthy rectum and part of a large intestine with internal and external hemorrhoids, Pectinate line and Rectal bleeding. Cross section of the rectum and anal canal. Vector poster Mouse Pad #639968068
piles. hemorrhoidal disease. comparison and differences between healthy rectum and part of a large intestine with internal and external hemorrhoids, Pectinate line and Rectal bleeding. Cross section of the rectum and anal canal. Vector poster Mouse Pad #639968068