suture. An anatomic union between two bones; the surgical union of two surfaces by stitches.
symptomatic. Relating to symptoms; indicative.
symptomatology. The study of the symptoms of disease.
synchronous. Occurring at the same time.
syncope. Swooning or fainting.
synovia. Tenacious, colorless, stringy alkaline fluid which lubricates a joint; in appearance like the white of eggs.
synovial. Pertaining to synovia.
synovitis. Inflammation of a synovial membrane.
synthetic. Created from parts into a compound.
syphilis. An infectious disease spread by inoculation thru sexual intercourse; also possible by contamination thru table utensils, towel, pipes, etc.