Definition, Meaning & Synonyms

luminal

Adjective

/ˈluː.mə.nəl/

Definition

Relating to or resembling a lumen, particularly in biological contexts.

Examples

The luminal surface of the intestine plays a crucial role in nutrient absorption.
Doctors may look for luminal obstruction during an endoscopy procedure.
The researcher studied the luminal properties of the blood vessels in the heart.

Meaning

The term ‘luminal’ is often used to describe something that is situated within a lumen, which is a space or cavity within a biological structure, such as blood vessels or the intestines.