aortic bulb


The dilated first part of the aorta containing the aortic semilunar valves and the aortic sinuses.

Nearby words

  1. aortalgia,
  2. aortic arch,
  3. aortic arch syndrome,
  4. aortic atresia,
  5. aortic body,
  6. aortic foramen,
  7. aortic insufficiency,
  8. aortic murmur,
  9. aortic notch,
  10. aortic ostium

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