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“posteroanterior”
posteroanterior
From back to front, or from the posterior to the anterior surface; such as, the direction of a radiographic projection.
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“posteroanterior”
posteroanterior, PA
From the back to the front, as opposed to anteroposterior or from the front to the back.
This entry is located in the following unit:
Medical Orientation Words with Reference to the Body
(page 2)