Taber’s Cyclopedic Medical Dictionary Online + Mobile powered by Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Explore these free sample topics:
-- The first section of this topic is shown below --
[Fr. ballon, big ball]
1. To expand, dilate, or distend, as to expand a cavity by filling it with air or water in a bag.
2. A flexible, expandable object that can be placed inside a vessel or cavity to expand it or at the end of a catheter to prevent its removal.
SEE: catheter; SEE: percutaneous transluminal coronary angioplasty