Definitions

1. verb

to compress or constrict; to narrow or reduce the diameter of a part

“The blood vessels were coarctated, leading to a significant decrease in blood flow.”

2. adjective

narrowly constricted or compressed; having a reduced diameter

“The coarctated artery made it difficult for the surgeon to perform the operation.”

3. noun

a constricted or narrowed part, especially a blood vessel

“The coarctation of the aorta was a congenital defect that required surgery.”