Barrier

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Barrier

1. See: Trade barrier.

2. See: Barrier Option.
References in periodicals archive ?
Mucus barrier, intestinal microbiota, and immune function are major factors that are related to the intestinal inflammation.
Within the mucus barrier that lines air ways and intestines and coats the mouth and other orifices, the host and phage conspire to control the movement of bacteria.
Researchers are trying to get "good" genes through the mucus barrier, carried via a fine vapour of synthetic fat droplets.