Meaning & use

intraluminal

adjective·Academic

Last updated

Situated or occurring within the lumen, or hollow interior, of a tubular organ or structure, such as a blood vessel or intestine.

See it in a sentence

The surgeon removed an intraluminal blood clot obstructing the artery.

Intraluminal imaging lets doctors view plaque buildup from inside the vessel.

A note on using this word

Common in cardiology and gastroenterology, where it distinguishes the inside of a tube-shaped organ from its surrounding tissue.

Words with an opposite meaning

extraluminal

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