Stenosis vs Obstruct - What's the difference?

As a noun stenosis

is (medicine) an abnormal narrowing or stricture in a blood vessel or other tubular organ.

to block or fill (a passage) with obstacles or an obstacle see synonyms at block.

(wikipedia stenosis)

(stenoses)

(medicine) An abnormal narrowing or stricture in a blood vessel or other tubular organ.

To block or fill (a passage) with obstacles or an obstacle. See Synonyms at block.

To impede, retard, or interfere with; hinder: obstructed my progress.

To get in the way of so as to hide from sight.

* See also