Tube

(tab) [tuba~\.the A hollow ture, especially cylindric Fallopian T. or struct he Eustachian T. T. -casts, casts of the renal tubules; they indicate disease of the kidneys. T., Drainage-, a hollow tube of gla , rubber, or other material inserted into a wound or cavity to allow of the escape of fluids. T., Crooke’s, T., Gei ler’s, T., Hittorf ’s. See X-ravs. 638