apposition

apposition /ap·po·si·tion/ (ap?o-zish´un) juxtaposition; the placing of things in proximity; specifically, the deposition of successive layers upon those already present, as in cell walls.apposi´tional

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ap·po·si·tion (p-zshn)

n.

1. The putting in contact of two parts or substances.

2. The condition of being placed or fitted together.

3. The growth of successive layers of a cell wall.

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appo·sition·al adj.

appo·sition·al·ly adv.

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apposition (ap´zish´n),

n 1. the condition of being placed or fitted together; juxtaposition; coaptation.
n 2. a layered formation of a firm or hard tissue such as cartilage, bone, enamel, dentin, and cementum.

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apposition

the placement or position of adjacent structures or parts so that they can come into contact.