i Register
In some senses, coarctation is marked as obsolete. Watch for register when choosing this word.
noun
A congenital stricture or narrowing of a short section of the aorta.
A confinement to a narrow space.
So likewise the greatest winds, if they have no coarctation, or blow not hollow, give an interior sound
A pressure; that which presses.
the vessel will notwithstanding continue still to beat below or beyond the coarctation