sutures

Noun

suture (plural sutures)

1. A seam formed by sewing two edges together, especially to join pieces of skin in surgically treating a wound.
   • Although the sutures are difficult to trace, the supraoccipital contacts the parietal anteriorly at a tight interdigitated suture, and contacts the ophistotic posterolaterally at a straight suture.2016 February 6, “Cranial Anatomy and Palaeoneurology of the Archosaur Riojasuchus tenuisceps from the Los Colorados Formation, La Rioja, Argentina”, in PLOS ONE, →DOI
2. Thread used to sew or stitch two edges (especially of skin) together.
3. An area where separate terrane join together along a major fault.
4. A type of fibrous joint bound together by Sharpey's fibres which only occurs in the skull.
5. A seam or line, such as that between the segments of a crustacean, between the whorls of a univalve shell, or where the elytra of a beetle meet.
6. The seam at the union of two margins in a plant.
   • It is also generally marked above by flexuose anastomosing black, indented lines, whence it appears as if insculpt with rivulose sutures.1894, James M. Crombie, A Monograph of Lichens Found in Britain, page 329

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