| dechloruration | Reduction of sodium chloride in the tissues and fluids of the body by reducing its intake or increasing its excretion. Synonym: dechlorination, dechloruration. (05 Mar 2000) |
|---|---|
| decholesterolization | Therapeutic reduction of the cholesterol concentration of the blood. (05 Mar 2000) |
| deci- | <prefix> Prefix used in the SI and metric systems to signify one-tenth (10--). Origin: L. Decimus, tenth (05 Mar 2000) |
| decibel | One-tenth of a bel; unit for expressing the relative loudness of sound on a logarithmic scale. Origin: L. Decimus, tenth, + bel (05 Mar 2000) |
| decibels | (dBa) A scale to measure sound levels. (05 Dec 1998) |
| decided | 1. Free from ambiguity; unequivocal; unmistakable; unquestionable; clear; evident; as, a decided advantage. "A more decided taste for science." 2. Free from doubt or wavering; determined; of fixed purpose; fully settled; positive; resolute; as, a decided opinion or purpose. Synonym: Decided, Decisive. We call a thing decisive when it has the power or quality of deciding; as, a decisive battle; we speak of it as decided when it is so fully settled as to leave no room for doubt; as, a decided preference, a decided aversion. Hence, a decided victory is one about which there is no question; a decisive victory is one which ends the contest. Decisive is applied only to things; as, a decisive sentence, a decisive decree, a decisive judgment. Decided is applied equally to persons and things. Thus we speak of a man as decided in his whole of conduct; and as having a decided disgust, or a decided reluctance, to certain measures. "A politic caution, a guarded circumspection, were among the ruling principles of our forefathers in their most decided conduct." . "The sentences of superior judges are final, decisive, and irrevocable. Source: Websters Dictionary (01 Mar 1998) |
| decidua | <anatomy> The inner layer of the wall of the uterus, which envelops the embryo, forms a part of the placenta, and is discharged with it. Origin: NL, fr. L. Deciduus. See Deciduous. Source: Websters Dictionary (01 Mar 1998) |
| decidua basalis | The area of endometrium between the implanted chorionic vesicle and the myometrium, which develops into the maternal part of the placenta. Synonym: decidua serotina. Origin: L. Deciduus, falling off (qualifying membrana, membrane, understood) (05 Mar 2000) |
| decidua capsularis | The layer of endometrium overlying the implanted chorionic vesicle; it becomes progressively attenuated as the chorionic vesicle enlarges and, by the fourth month, is squeezed against the decidua parietalis and thereafter undergoes rapid regression. Synonym: decidua reflexa, membrana adventitia. (05 Mar 2000) |
| decidua menstrualis | The succulent mucous membrane of the nonpregnant uterus at the menstrual period. (05 Mar 2000) |
| decidua parietalis | The altered mucous membrane lining the main cavity of the pregnant uterus other than at the site of attachment of the chorionic vesicle. Synonym: decidua vera. (05 Mar 2000) |
| decidua polyposa | Decidua parietalis showing polypoid projections of the endometrial surface. (05 Mar 2000) |
| decidua reflexa | The layer of endometrium overlying the implanted chorionic vesicle; it becomes progressively attenuated as the chorionic vesicle enlarges and, by the fourth month, is squeezed against the decidua parietalis and thereafter undergoes rapid regression. Synonym: decidua reflexa, membrana adventitia. (05 Mar 2000) |
| decidua serotina | The area of endometrium between the implanted chorionic vesicle and the myometrium, which develops into the maternal part of the placenta. Synonym: decidua serotina. Origin: L. Deciduus, falling off (qualifying membrana, membrane, understood) (05 Mar 2000) |
| decidua spongiosa | The portion of the decidua basalis attached to the myometrium. (05 Mar 2000) |