isometric scale


n.

A radiopaque strip of metal calibrated in centimeters, placed between the buttocks of an individual to be x-rayed, used to measure anteroposterior diameters of the pelvis.

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schlep
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.