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aortic bulb

aortic bulb in Medicine

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

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