Definition of "septal" [sep•tal]

• Of or relating to a septum or septa. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "There's a heart condition that is treated through a technique called septal ablation - as part of this operation, surgeons must induce a planned heart attack."
• "This tissue overgrowth can be treated with a technique called septal ablation - pioneered by Michael Fifer, MD, of MGH Cardiology - that destroys the excess tissue, a scenario that mimics the damage that happens to heart muscle when its blood supply is cut off."
• "This tissue overgrowth can be treated with a technique called septal ablation that destroys the excess tissue, a scenario that mimics the damage that happens to heart muscle when its blood supply is cut off."