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Tracings

From Biology-Online Dictionary
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tracing

1. Any graphic display of electrical or mechanical cardiovascular events, e.g., electrocardiogram, phlebogram.

See: curve.

2. In dentistry, a line or lines, scribed on a table or plate by a pointed instrument, representing a record of movements of the mandible; may be extraoral (made outside the oral cavity) or intraoral (made within the oral cavity).