ruga

IPA/ˈruː.ɡə/
IPA/ˈruː.ɡə/

ruga — noun

  • rugasingular
  • rugasplural

1. a raised fold or ridge on the inner surface of a body organ or cavity — such as

1.名詞C2
釋義

a raised fold or ridge on the inner surface of a body organ or cavity — such as the lining of the stomach, the roof of the mouth, or the walls of the vagina — that lets the tissue stretch or expand when needed.

例句

The surgeon pointed to the gastric rugae, explaining that they flatten out as the stomach fills with food.

plural form: rugae; collocation: gastric rugae

Dr. Okafor asked the medical students to identify the palatal rugae behind the upper front teeth.

collocation: palatal rugae

同義詞
  • fold

    general everyday term; lacks the precision needed in anatomy

  • plica

    Latin anatomical term for a fold, used for specific structures (e.g. plica semilunaris of the eye)

文法句型

the [adjective] rugae of the [body part]

ruga in the [organ]

用法筆記

In medical texts the plural 'rugae' (pronounced /ˈruːdʒiː/) is far more common than the singular 'ruga'. When speaking of the structure in general, anatomists nearly always use the plural form.

常見錯誤

❌The doctor examined the ruga in the stomach lining.
✅The doctor examined the rugae in the stomach lining.
💡Even when speaking generally of this structure, medical English prefers the Latin plural 'rugae'.