tertiary syphilis

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The final stage of syphilis, following a latent period that may last years, marked by spread of the disease throughout the body including the skin, bones, joints, heart, brain, and spinal cord.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the third stage; characterized by involvement of internal organs especially the brain and spinal cord as well as the heart and liver