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Medical Definition of Point A
1. In cephalometrics, the most posterior midline point on the premaxilla between the anterior nasal spine and the prosthion. Synonym: point A. (05 Mar 2000)
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1. In cephalometrics, the most posterior midline point on the premaxilla between the anterior nasal spine and the prosthion. Synonym: point A. (05 Mar 2000)