frontal plane(redirected from cardinal planes of the body)
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A plane parallel to the long axis of the body and perpendicular to the sagittal plane that separates the body into front and back portions.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.