| contraceptive devices, male | Contraceptive devices used by males. (12 Dec 1998) |
|---|---|
| contraceptive sponge | A resilient, hydrophilic sponge of polyurethane foam impregnated with a spermicide; contraception is achieved by action of the spermicide. (05 Mar 2000) |
| contraceptives, oral | Compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of pregnancy. The hormones are generally oestrogen or progesterone or both. (12 Dec 1998) |
| contraceptives, oral, combined | Fixed drug combinations administered orally for contraceptive purposes. (12 Dec 1998) |
| contraceptives, oral, hormonal | Oral contraceptives which owe their effectiveness to hormonal preparations. (12 Dec 1998) |
| contraceptives, oral, sequential | Drugs administered orally and sequentially for contraceptive purposes. (12 Dec 1998) |
| contraceptives, oral, synthetic | Oral contraceptives which owe their effectiveness to synthetic preparations. (12 Dec 1998) |
| contraceptives, postcoital | Contraceptive substances to be used after coitus. Usually high doses of oestrogen are administered within 24-36 hours after coitus as an emergency measure, not as a replacement for the usual methods of contraception because of the side effects of high concentration of oestrogen. (12 Dec 1998) |
| contraceptives, postcoital, hormonal | Postcoital contraceptives which owe their effectiveness to hormonal preparations. (12 Dec 1998) |
| contraceptives, postcoital, synthetic | Postcoital contraceptives which owe their effectiveness to synthetic preparations. (12 Dec 1998) |
| contract | 1. To shorten; to become reduced in size; in the case of muscle, either to shorten or to undergo an increase in tension. 2. To acquire by contagion or infection. 3. An explicit bilateral commitment by psychotherapist and patient to a defined course of action to attain the goal of the psychotherapy. Origin: L. Con-traho, pp. -tractus, to draw together (05 Mar 2000) |
| contract services | Outside services provided to an institution under a formal financial agreement. (12 Dec 1998) |
| contracted foot | A condition of the horse in which a part of the foot, often a heel, is contracted and shrunken as a result of loss of moisture in the hoof. Synonym: contracted heel, talipes cavus. (05 Mar 2000) |
| contracted heel | A condition of the horse in which a part of the foot, often a heel, is contracted and shrunken as a result of loss of moisture in the hoof. Synonym: contracted heel, talipes cavus. (05 Mar 2000) |
| contracted kidney | A diffusely scarred kidney in which the relatively large amount of abnormal fibrous tissue and ischemic atrophy leads to a moderate or great reduction in the size of the organ, as in arteriolar nephrosclerosis and chronic glomerulonephritis. (05 Mar 2000) |