cath·e·ter (k th  -t r)n. 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. [Late Latin, from Greek kathet  r, from kath enai, kathe-, to send down : kat-, kata-, cata- + henai, to send; see y- in Indo-European roots.] |
catheter [ˈkæθɪtə]
n
(Medicine) Med a long slender flexible tube for inserting into a natural bodily cavity or passage for introducing or withdrawing fluid, such as urine or blood
[from Late Latin, from Greek kathetēr, from kathienai to send down, insert]
| catheter (kth-tr) A hollow, flexible tube inserted into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway. |
catheter - A tube inserted for withdrawing bodily fluids, it comes from Greek kathienai, "send or let down."
See also related terms for tube.
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | catheter - a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open endotracheal tube - a catheter that is inserted into the trachea through the mouth or nose in order to maintain an open air passage or to deliver oxygen or to permit the suctioning of mucus or to prevent aspiration of the stomach contents |
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