saccular aneurysm
(redirected from ampullary aneurysm)Also found in: Medical.
saccular aneurysm
[′sak·yə·lər ′an·yə‚riz·əm] (medicine)
A saclike arterial dilation communicating with the artery by a relatively small opening.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.