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Medical Dictionary

quadrant

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noun quad·rant \ˈkwäd-rənt\

Medical Definition of quadrant

  1. 1:  an arc of 90° that is one quarter of a circle

  2. 2:  any of the four more or less equivalent segments into which an anatomic structure may be divided by vertical and horizontal partitioning through its midpoint <pain in the lower right quadrant of the abdomen>





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