n. a hollow, flexible tubular instrument inserted into a duct or cavity, permitting the removal of body fluids while keeping the passageway open. Depending on the ailment or condition, it may be worn temporarily or intermittently (as in a urinary catheter).

CATHETER: "A catheter is made of flexible material such as natural or silicone rubber."
Cite this page: N., Pam M.S., "CATHETER," in, April 7, 2013, (accessed April 19, 2021).