(roo'gă )

Plural: rugae

[L.]

A fold or crease, esp. one of the folds of mucous membrane on the internal surface of the stomach.

SEE: illus.

palatal r.One of the folds of the mucous membrane of the roof of the mouth. SYN: palatine ruga.

palatine r.Palatal ruga.

r. of vagina One of the small ridges on the inner surface of the vagina extending laterally and upward from the columna rugarum (long ridges on the anterior and posterior walls).

illus.