| silent mutation | Mutations that have no effect on phenotype because they do not affect the activity of the product of the gene, usually because of codon ambiguity. (18 Nov 1997) |
|---|---|
| silent myocardial infarction | Infarction that produces none of the characteristic symptoms and signs of myocardial infarction. (05 Mar 2000) |
| silent period | The time during which there is no electrical activity in a muscle following its rapid unloading, any pause in an otherwise continuous series of electrophysiologic events. (05 Mar 2000) |