| peri- | <prefix> Meaning around, about, near. Compare: circum-. Origin: G. Around (21 Jun 2000) |
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| peri-implantoclasia | In dentistry, a general term implying disease of the supporting bone involving an implant; the disease may be exfoliative, resorptive, traumatic, or ulcerative in nature. Origin: peri-+ L. Im, in, + planto, to plant, + G. Klasis, breaking up (05 Mar 2000) |
| peri-infarction block | An electrocardiographic abnormality associated with an old myocardial infarct and caused by delayed activation of the myocardium in the region of the infarct; characterised by an initial vector directed away from the infarcted region with the terminal vector directed toward it. (05 Mar 2000) |