Catheter meaning

kăthĭ-tər
Frequency:
A hollow flexible tube for insertion into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway. Its uses include the drainage of urine from the bladder through the urethra or insertion through a blood vessel into the heart for diagnostic purposes.
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A slender, hollow tube, as of metal or rubber, inserted into a body passage, vessel, or cavity for passing fluids, making examinations, etc., esp. one for draining urine from the bladder.
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A hollow flexible tube for insertion into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway. Its uses include the drainage of urine from the bladder through the urethra or insertion through a blood vessel into the heart for diagnostic purposes.
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A hollow, flexible tube inserted into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway.
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(medicine) A small tube inserted into a body cavity to remove fluid, create an opening, distend a passageway or administer a drug.
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Origin of catheter

  • Late Latin from Greek kathetēr from kathīenai kathe- to send down kat-, kata- cata- hīenai to send yē- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French cathéter.

    From Wiktionary