| sea foam | 1. Foam of sea water. 2. <chemical> Meerschaum. Synonym: sea froth. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| human fibrin foam | A dry artificial sponge of human fibrin prepared by clotting with thrombin a foam of a solution of human fibrinogen; the clotted foam is dried from the frozen state and heated; used as a topical anticoagulant. (05 Mar 2000) |
| fibrin foam | <chemical> A dry artificial sterile sponge of fibrin prepared by clotting with thrombin a foam or solution of fibrinogen. It is used in conjunction with thrombin as a haemostatic in surgery at sites where bleeding cannot be controlled by more common methods. Pharmacological action: haemostatics, tissue adhesives. (12 Dec 1998) |
| foam | 1. To gather foam; to froth; as, the billows foam. "He foameth, and gnasheth with his teeth." (Mark ix. 18) 2. To form foam, or become filled with foam; said of a steam boiler when the water is unduly agitated and frothy, as because of chemical action. Origin: AS. F?man. See Foam, n. Source: Websters Dictionary (01 Mar 1998) |
| foam cell | <pathology> Lipid laden macrophages and, to a lesser extent smooth muscle cells, found in fatty streaks on the arterial wall. (18 Nov 1997) |
| foam cells | Lipid-laden macrophages originating from monocytes or from smooth muscle cells. (12 Dec 1998) |
| foam stability test | A test for foetal pulmonary maturity, determined by the ability of pulmonary surfactant in amniotic fluid to generate stable foam in the presence of ethanol after mechanical agitation. Synonym: shake test. (05 Mar 2000) |
| barrier contraceptive | A mechanical device designed to prevent spermatozoa from penetrating the cervical os; usually used in combination with a spermicidal agent, i.e., vaginal diaphragm. (05 Mar 2000) |
| combination oral contraceptive | A mixture of a steroid having progestational activity and an oestrogen. (05 Mar 2000) |
| contraceptive | An agent that diminishes the likelihood of or prevents conception. (18 Nov 1997) |
| contraceptive agents | Chemical substances diminishing the likelihood of or preventing conception. The agents do not include occlusive barriers to prevent the passage of spermatozoa into the uterus (contraceptive devices). (12 Dec 1998) |
| contraceptive agents, female | Chemical substances or agents with contraceptive activity in females. Use for female contraceptive agents in general or for which there is no specific heading. (12 Dec 1998) |
| contraceptive agents, male | Chemical substances or agents with contraceptive activity in males. Use for male contraceptive agents in general or for which there is no specific heading. (12 Dec 1998) |
| contraceptive device | A device used to prevent pregnancy; e.g., occlusive diaphragm, condom, intrauterine device. (05 Mar 2000) |
| contraceptive device, intrauterine | A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop, triangle, or T in shape made of plastic or metal. (12 Dec 1998) |