- a thread or the like inserted beneath the skin to provide drainage or to guide subsequent passage of a tube.
- Saint Elizabeth Ann (Bayley)Mother Seton, 1774–1821, U.S. educator, social-welfare reformer, and religious leader: first native-born American to be canonized (1975).
- Ernest Thompson,1860–1946, English writer and illustrator in the U.S.
- Ernest Thompson. 1860–1946, US author and illustrator of animal books, born in England
- Material such as thread, wire, or gauze that is passed through subcutaneous tissues or through a cyst in order to form a sinus or fistula.