Posteroanterior (anatomic orientation)
From back to front, as opposed to anteroposterior. A chest x-ray taken with the chest against the film plate and the x-ray machine behind the patient is a posteroanterior (PA) view. For a more complete listing of terms used in medicine for spatial orientation, please see the entry "Anatomic Orientation Terms."

Medical dictionary. 2011.

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  • Anatomic orientation terms — In anatomy, certain terms are used to denote orientation. For example, a structure may be horizontal, as opposed to vertical. Some of the terms of anatomic orientation are as follows: {{}}Anterior: The front, as opposed to the posterior.… …   Medical dictionary

  • Posterior (anatomic orientation) — The back, as opposed to the anterior. In anatomy, certain terms are used to denote orientation. For example, such and such a structure may be horizontal, as opposed to vertical. A list of some of the terms of anatomic orientation in alphabetical… …   Medical dictionary

  • Anteroposterior (anatomic orientation) — From front to back, as opposed to posteroanterior. When a chest x ray is taken with the back against the film plate and the x ray machine in front of the patient it is referred to as an anteroposterior (AP) view. For a more complete listing of… …   Medical dictionary

  • Orientation, anatomic terms of — In anatomy, certain terms are used to denote orientation. For example, a structure may be horizontal, as opposed to vertical. Some of the terms of anatomic orientation are as follows: {{}}Anterior: The front, as opposed to the posterior.… …   Medical dictionary

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