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accretion medical definition
noun
- Growth or increase in size by gradual external addition, fusion, or inclusion.
- Increase by addition to the periphery of material of the same nature as that already present, as in the growth of crystals. Also called accrementition.
- Foreign material, such as plaque or calculus, collecting on the surface of a tooth or in a cavity.
- The growing together or adherence of body parts that are normally separate.
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