Catheter vs. Sheath

Catheternoun

(medicine) A small tube inserted into a body cavity to administer a drug, create an opening, distend a passageway, or remove fluid.

Catheternoun

The name of various instruments for passing along mucous canals, esp. applied to a tubular instrument to be introduced into the bladder through the urethra to draw off the urine.

Catheternoun

a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open

Catheter

In medicine, a catheter is a thin tube made from medical grade materials serving a broad range of functions. Catheters are medical devices that can be inserted in the body to treat diseases or perform a surgical procedure.

Sheathnoun

A scabbard; a holster for a sword.

Sheathnoun

Anything that has a similar shape to a scabbard for a sword that is for the purpose of holding an object that is longer than it is wide; a case.

Sheathnoun

The insulating outer cover of an electrical cable.

Sheathnoun

A tight-fitting dress.

Sheathnoun

(British) A condom.

Sheathnoun

The foreskin of certain animals, e.g. dogs and horses.

Sheathnoun

The base of a leaf when sheathing or investing a stem or branch, as in grasses.

Sheathnoun

One of the elytra of an insect.

Sheathverb

To put an object (especially a weapon, in particular, a sword) into its sheath.

Sheathnoun

A case for the reception of a sword, hunting knife, or other long and slender instrument; a scabbard.

Sheathnoun

Any sheathlike covering, organ, or part.

Sheathnoun

a protective covering for a knife or sword

Sheathnoun

an enveloping structure or covering enclosing an animal or plant organ or part

Sheathnoun

a dress suitable for formal occasions

Sheathnoun

a close-fitting cover for the blade of a knife or sword.

Sheathnoun

a structure in living tissue which closely envelops another

Sheathnoun

a protective covering around an electric cable.

Sheathnoun

a woman's close-fitting dress.

Sheathnoun

a condom.