Meaning & use
luminal
Last updated
Relating to the lumen, the hollow interior space of a tubular organ or structure, such as a blood vessel or intestine.
See it in a sentence
The scan revealed a narrowing of the luminal space in the artery.
Surgeons examined the luminal surface of the bowel for signs of inflammation.
A note on using this word
Not to be confused with Luminal, a former brand name for the sedative phenobarbital; the anatomical adjective is unrelated.
Make it your own
Write a sentence using “luminal”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.