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Anteroposterior (AP): In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken from front-to-back.
AP in this respect is the opposite of PA, which stands for posteroanterior: from back-to-front.
Anteroposterior (AP): In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken from front-to-back.
adj. Abbr. AP. 1. Relating to both front and back. 2. In x-ray imaging, taken or viewed from front to back through the body. anteroposterior (AP) [an′tÉ™rÅpostir′ē·ər]
Acronym Finder: AP stands for Anteroposterior ... Suggest new definition. This definition appears very rarely and is found in the following Acronym Finder categories:
diameter /di·am·e·ter/ (di-am´ĕ-ter) the length of a straight line passing through the center of a circle and connecting opposite points on its circumference.
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 called an anteroposterior (AP) view.