catheter(redirected from NIH catheter)
Also found in: Thesaurus, Medical, Encyclopedia.
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.
(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
[C17: from Late Latin, from Greek kathetēr, from kathienai to send down, insert]
cath•e•ter(ˈkæθ ɪ tər)
a thin flexible tube inserted into a bodily passage, vessel, or cavity to allow fluids to pass into or out of it, to distend it, or to convey diagnostic or other instruments through it.
[1595–1605; < Late Latin < Greek kathetḗr something inserted, catheter]
A thin, flexible tube inserted into a duct of the body to remove a blockage or to drain fluid.
catheter- A tube inserted for withdrawing bodily fluids, it comes from Greek kathienai, "send or let down."
See also related terms for tube.
A fine, plastic tube used in diagnostic procedures to examine internal organs and passages or as a drain to empty organs such as the bladder.
Switch to new thesaurus
|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
catheter[ˈkæθɪtəʳ] N → catéter m
catheter[ˈkæθɪtər] n → cathéter m
n → Katheter m
catheter[ˈkæθɪtəʳ] n (Med) → catetere m
n. catéter, sonda, tubo usado para drenar o introducir líquidos;
___ holder → portacatéter.