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.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Dry. free from moisture; having little humidity or none; arid; not wet or moist; deficient in the natural or normal supply of moisture, as rain or fluid of any kind; -- said especially: (a) Of the weather: Free from rain or mist. 2  Dry.