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Definition of "stylet" [sty•let]

  • A slender, pointed instrument or weapon, such as a stiletto. (noun)
  • A surgical probe. (noun)
  • A fine wire that is run through a catheter, cannula, or hollow needle to keep it stiff or clear of debris. (noun)
  • Zoology A small, stiff, needlelike organ or appendage, such as the feeding organ of a tardigrade. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "stylet" in a sentence
  • "For my own use I have taken off the ratchet-locking device for all general work, to be reapplied on the rare occasions when it is required.] _Bronchoscopic and esophagoscopic grasping forceps_ are of the tubular type, that is, a stylet carrying the jaws works in a slender tube so that traction on the stylet draws the V of the open jaws into the lumen of the tube, thus causing the blades to approximate."
  • "The needle stylet was removed and a 1-mm fiber-optic micro endoscope was introduced into the needle sheath to allow direct visualization of the bipolar cord cauterization procedure."
  • "Modified stylet technique for tenting of amniotic membranes."