Here's a bunch:
THE ALTERNATIVE MEDICAL DICTIONARY
Artery. . . . . . . . . study of painting
Bacteria . . . . . . . .back door to a cafeteria
Barium. . . . . . . . . what doctors do when treatment fails
Bowel. . . . . . . . . .a letter, like A, E, I, O, or U
Caesarean Section . . . a district in Rome
Cat Scan . . . . . . . .searching for Kitty
Cauterize . . . . . . . made eye contact with her
Colic. . . . . . . . . .a sheep dog
Coma. . . . . . . . . . a punctuation mark
Congenital . . . . . . .friendly
D & C . . . . . . . . . a city in Washington
Dilate . . . . . . . . .to live long
Enema . . . . . . . . . not a friend
Fester . . . . . . . . .quicker
Fibula. . . . . . . . . small lie
Genital. . . . . . . . .non-Jewish
G.I. Series . . . . . . soldiers' baseball game
Impotent . . . . . . . .distinguished; well known
Labor Pain. . . . . . . getting hurt at work
Morbid . . . . . . . . .higher offer
Nitrate . . . . . . . . cheaper than day rate
Node . . . . . . . . . .was aware of
Outpatient. . . . . . . person who has fainted
Papsmear . . . . . . . .fatherhood test
Pelvis. . . . . . . . . cousin of Elvis
Post Operative . . . . .letter carrier
Prostate. . . . . . . . flat on your back
Recovery Room. . . . . .place to do upholstery
Rectum. . . . . . . . . darn near killed him
Secretion. . . . . . . .hiding something
Seizure . . . . . . . . Roman emperor
Terminal Illness . . . .getting sick at the airport
Tumor . . . . . . . . . more than one
Urine. . . . . . . . . .opposite of "you're out"
Varicose. . . . . . . . near by
Vein . . . . . . . . . .conceited