Synchondrosis. Union by cartilage or gristle.

Syncope. A fainting or swooning.

Systemic. Pertaining to the system or body generally.

Systole. The contraction of the heart.

Tænia. A kind of long intestinal worm; a tape worm.

Tampon. A plug designed to arrest hemorrhage.

Taxis. Pressure made by the fingers to return a hernial tumour.

Tendon. A cord or bundle of fibres attaching muscle to bone.

Tenesmus. A straining at stool; a painful sensation in the lower part of the rectum.

Tent. A cylinder designed for dilating a part.