Definition, Meaning & Synonyms

rugae

noun

/ˈruːɡeɪ/

Definition

Rugae are folds or wrinkles that occur in certain tissues, particularly in the stomach and other organs.

Examples

The rugae in the stomach help it to expand when food is ingested.
During a medical examination, the doctor noted the presence of rugae in the gastrointestinal tract.
Some animals utilize their rugae for enhanced digestion by increasing the area available for absorption.

Meaning

Rugae refers to the series of ridges or folds found in biological structures, which serve various functions such as allowing expansion and increasing surface area.