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NCI Dictionary of Cancer Terms

medicated urethral system for erection  listen  (MEH-dih-KAY-ted yoo-REE-thrul SIS-tem … eh-REK-shun)

  A method used to treat impotence (inability to have an erection). A suppository, in the form of a very small pellet, is inserted through the tip of the penis into the urethra. The suppository contains the drug alprostadil, which increases the flow of blood to the penis and causes an erection. Also called MUSE.