- In cephalometrics, the most posterior midline point on the premaxilla between the anterior nasal spine and the prosthion. SYN: point A.
* * *sub·spi·na·le (sub″spi-naґle) the deepest midline point on the maxilla on the concavity between the anterior nasal spine and the prosthion. Called also point A.
Medical dictionary. 2011.
Look at other dictionaries:
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A — 1. Abbreviation for ampere; adenine; alanine. 2. As a subscript, refers to alveolar gas. 3. Symbol (usually capitalized italic) for absorbance. 4. Symbol for adenosine or adenylic acid in polynucleotides; alanine or … Medical dictionary
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A — • abnormal; • abortion; • absolute temperature; • absorbance; • acceptor; • accommodation; • acetone; • acetum; • achondroplasia; • acid; • acidophil, acidophilic; • acromion; • actin; • Actinomyces; • activity [radiation]; • adenine; • adenoma;… … Dictionary of medical acronyms & abbreviations