Meaning & use
rugae
Last updated
Ridges or folds in the tissue lining certain organs, such as the roof of the mouth, the stomach, or the vagina.
See it in a sentence
The rugae on the roof of the mouth help the tongue manipulate food while chewing.
An endoscopy revealed normal rugae along the stomach lining.
A note on using this word
"Rugae" is the Latin-derived plural of "ruga" (wrinkle); the singular form is rarely used outside strict anatomical texts.
Words with a similar meaning
foldsridges
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