| milieu | 1. Surroundings; environment. 2. In psychiatry, the social setting of the mental patient, e.g., the family setting or a hospital unit. Origin: Fr. Mi, fr. L. Medius, middle, + lieu, fr. L. Locus, place (05 Mar 2000) |
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| milieu interieur | The internal environment; the fluids bathing the tissue cells of multicellular animals. (05 Mar 2000) |
| milieu therapy | A treatment program based on manipulation of the patient's environment by the medical staff. The patient does not participate in planning the treatment regimen. (12 Dec 1998) |