Putamen: An area in the brain within a structure called the lentiform nucleus. The putamen may decrease in size as a result of damage in Huntington's disease. The word putamen is from Latin, referring to that which falls off in pruning, from puto, to prune.
Quick Answer. When a hemorrhoid bursts, bright red blood can be seen coming from the anus following a bowel movement, explains Los Angeles Colon and Rectal Surgical Associates. Pain and swelling may occur, but ruptured hemorrhoids heal quickly and on their own for most people. Continue Reading.
When an internal hemorrhoid becomes inflamed, it can cause swelling. This in itself does not cause pain because there are no pain fibers attached to the veins above the pectinate line. Passing a hard stool can scrape off the thinned lining of the hemorrhoid causing painless bleeding.