percutaneous transluminal angioplastynoun
Medical Definition of percutaneous transluminal angioplasty
: a cardiovascular procedure that is performed to widen the lumen of a partially or fully occluded blood vessel (as the femoral or coronary artery) narrowed or blocked typically by atherosclerotic plaque and that involves passing a balloon catheter through the skin and into a blood vessel (as of the groin or arm) to be guided to the site of obstruction where the tip of the catheter is expanded by inflation to compress and flatten the plaque especially : percutaneous transluminal coronary angioplasty —abbreviation PTA
something valued as if it were money
Get Word of the Day daily email!
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?
- Time Traveler Quiz: Which Word Came First? Take the quiz
- Slippery Words Quiz—Changing with the Times Take the quiz
- True or False? Take the quiz
- SCRABBLE® Sprint Play the game