تعريف tertiary syphilis في الإنجليزية الإنجليزية القاموس.
The final stage of syphilis, following a latent period that may last years, characterized by spread of the disease to many organs and tissues, including the skin, bones, joints, heart, brain, and spinal cord
the third stage; characterized by involvement of internal organs especially the brain and spinal cord as well as the heart and liver