meaning of stylet
1. A small poniard; a stiletto.
2. An instrument for examining wounds and fistulas, and for passing setons, and the like; a probe, -- called also specillum.
3. A stiff wire, inserted in catheters or other tubular instruments to maintain their shape and prevent clogging.
4. Any small, more or less rigid, bristlelike organ; as, the caudal stylets of certain insects; the ventral stylets of certain Infusoria.
5. small needle-like appendage; especially the feeding organ of a tardigrade
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