Disease activity in MS patients is associated with increases in CD25 expression, but it is not known if this reflects pathogenic T cell activation or the activation of regulatory T cells which could serve to down-regulate pathogenic immune responses (Khoury et al., 2000).
moisturenoun [ U ] uk â /ËmÉÉªs.tÊÉr/ us â /ËmÉÉªs.tÊÉ/. âº a liquid such as water in the form of very small drops, either in the air, in a substance, or on a surface: These plants need a rich soil that retains moisture. Thesaurus: synonyms and related words. Precipitation: clouds, dew, fog & steam. altocumulus.
Humidity is the amount of water vapor at any given time and relative humidity is the amount of water vapor in the air compared to the greatest amount it can hold at that air t â¦ emperature.he amount of water vapor present in air is called humidity. The amount of water present in air as a percent of the maximum amount that the air can hold at that particular t â¦ emperature is called relative humidity.