| radiofrequency plugging | <radiobiology> Use of axial ponderomotive force to plug an open-ended device. First demonstrated on RFC-XX, Institute of Plasma Physics, Nagoya University, Nagoya, Japan, and later demonstrated in the Phaedrus device at the University of Wisconsin. (09 Oct 1997) |
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| plugging instrument | A dental instrument used for condensing gold (foil), amalgam, or any plastic material in a cavity, and which is operated by hand or by mechanical means. Synonym: packer, plugging instrument. (05 Mar 2000) |
| prophylactic | Preventive measure or medication. (16 Dec 1997) |
| prophylactic cranial irradiation | Radiation therapy to the head to prevent cancer from spreading to the brain. (12 Dec 1998) |
| prophylactic mastectomy | <procedure, surgery> Surgery to remove a breast before it has cancer. (16 Dec 1997) |
| prophylactic membrane | A layer of pus cells lining an abscess cavity which have not yet autolyzed. Synonym: prophylactic membrane. (05 Mar 2000) |
| prophylactic treatment | The institution of measures designed to protect a person from an attack of a disease to which he has been, or is liable to be exposed. Synonym: preventive treatment. (05 Mar 2000) |