abdominothoracic arch


A bell-shaped line along the lowest of the false ribs and the lower end of the sternum, making a rough boundary line between the abdomen and thorax.

Nearby words

  1. acetate rayon,
  2. acetate-coa ligase,
  3. acetation,
  4. acetazolamide,
  5. acetic,
  6. acetic anhydride,
  7. acetic ether,
  8. acetify,
  9. acetimeter,
  10. acetin

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