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单词 catheter
释义

WordReference Random House Learner's Dictionary of American English © 2024
cath•e•ter /ˈkæθɪtɚ/USA pronunciation   n. [countable]
  1. Surgerya thin flexible tube inserted into a blood vessel or other opening in the body, to allow fluids to pass into or out of it, or to carry examining instruments:inserted a catheter through the patient's artery to see where the blockage was.

WordReference Random House Unabridged Dictionary of American English © 2024
cath•e•ter  (kathi tər),USA pronunciation n. [Med.]
  1. Medicine, Surgerya flexible or rigid hollow tube employed to drain fluids from body cavities or to distend body passages, esp. one for passing into the bladder through the urethra to draw off urine or into the heart through a leg vein or arm vein for diagnostic examination.
  • Greek katheté̄r kind of tube, literally, something sent or let down, equivalent. to kathe- (variant stem of kathiénai, equivalent. to kat- cata- + hiénai to send, let go) + -té̄r agent suffix
  • Late Latin
  • 1595–1605

Collins Concise English Dictionary © HarperCollins Publishers::
catheter /ˈkæθɪtə/ n
  1. a long slender flexible tube for inserting into a natural bodily cavity or passage for introducing or withdrawing fluid, such as urine or blood
Etymology: 17th Century: from Late Latin, from Greek kathetēr, from kathienai to send down, insert
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