passage

pas·sage

(pas'ăj),

1. The act of passing.

2. A discharge, as from the bowels or of urine.

3. Inoculation of a series of animals with the same strain of a pathogenic microorganism whereby the virulence usually is increased, but is sometimes diminished.

4. A channel, duct, pore, or opening.

[Mediev. L. passo, to pass]

Farlex Partner Medical Dictionary © Farlex 2012

passage

(păs′ĭj)

n.

1.

a. A path, channel, or duct through, over, or along which something may pass: the nasal passages.

b. A corridor.

2. Physiology The process of discharging something from a bodily part, such as evacuation of waste from the bowels.

3. Medicine The introduction of an instrument into a bodily cavity.

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.