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Where the whorls overlap, there is usually a clear (if narrow) indentation. This indentation forms a visible line, which is continuous and reaches from the apex of the shell to the aperture; this line is the suture. Details of the suture are often useful in discriminating one species from another, for example, sometimes the suture is channeled.
In structural geology, a suture is a joining along a major fault zone, of separate terranes, tectonic units that have different plate tectonic, metamorphic and paleogeographic histories. The suture is often represented on the surface by an orogen or mountain range.
A surgical suture, also known as a stitch or stitches, is a medical device used to hold body tissues together and approximate wound edges after an injury or surgery. . Application generally involves using a needle with an attached length
Baculites showing sutures and remnant aragonite; western South Dakota, Late Cretaceous. Baculites from the Late Cretaceous of Wyoming. The original aragonite of the outer conch and inner septa has dissolved away, leaving this articulated internal mold. Cenomanian: Baculites gracilis is known from the Cenomanian Britton Formation. Turonian:
Sutures (or suture lines) appear where each septum contacts the wall of the outer shell. In life, they are visible as a series of narrow wavy lines on the outer surface of the shell. Like their underlying septa, the sutures of the nautiloids are simple in shape, being either straight or slightly curved.
The sagittal suture, also known as the interparietal suture and the sutura interparietalis, [citation needed] is a dense, fibrous connective tissue joint between the two parietal bones of the skull. The term is derived from the Latin word sagitta , meaning arrow .
At the end of the running suture line, clips can be placed across the suture tail. Barbed suture is a knotless surgical suture that has a pattern of barbs on its surface. These barbs lock the suture into the tissue, eliminating the tying of knots. Barbed sutures are typically used in cosmetic and reconstructive surgery.
The horizontal mattress stitch is a suture technique used to close wounds.It everts skin well and spreads tension along the wound edge. [1] [2] [3] This makes it ideal for holding together fragile skin [4] as well as skin under high tension such as the distant edges of a large laceration or as the initial holding suture in complicated repairs.
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