Medical Definition of Suture
Suture: 1. A type of joint between the bones of the skull where the bones are held tightly together by fibrous tissue.
2. Thread-like material used to sew tissue together.
3. To stitch a wound closed.
The word suture came with little change from the Latin sutura, "a sewn seam." In Latin, the verb suere is "to sew, stitch, or tack together."
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