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Glossary of Terms

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catheter
(kath-i-ter)
  1. A tubular instrument to allow passage of fluid from or into a body cavity.
  2. Especially a catheter designed to be passed through the urethra into the bladder to drain it of retained urine.
  3. A flexible, hollow plastic or rubber tube that may be passed into a blood vessel to withdraw fluids or inject medicine or contrast materials.
 

 


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