What is Stenosis?

Stenosis meaning A narrowing, as in aortic stenosis (narrowing of the aortic valve in the heart), pulmonary stenosis (narrowing of the pulmonary valve in the heart), pyloric stenosis (narrowing of the outlet of the stomach), spinal stenosis (narrowing of the vertebral canal, often with impingement upon the spinal cord).From the Greek "stenos" meaning narrow.


reference: national Cancer Institute – Glossary for Registrars

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