| ruga | Origin: L. A wrinkle; a fold; as, the rugae of the stomach. Source: Websters Dictionary (01 Mar 1998) |
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| ruga gastrica | Characteristic folds of the gastric mucosa, especially evident when the stomach is contracted. Synonym: plicae gastricae, gastric folds, ruga gastrica. (05 Mar 2000) |
| ruga palatina | A masticatory vestige on the hard palate; one of several irregular, sometimes branching, crests of soft tissue that radiate from the region of the incisive papillae at their most anterior parts and extend a slight distance backward, crossing the hard palate and reaching laterally for variable distances. Synonym: plica palatina transversa, ruga palatina, transverse palatine ridge. (05 Mar 2000) |
| rugae of stomach | Characteristic folds of the gastric mucosa, especially evident when the stomach is contracted. Synonym: plicae gastricae, gastric folds, ruga gastrica. (05 Mar 2000) |
| rugae of vagina | A number of transverse ridges in the mucous membrane of the vagina. Synonym: rugae vaginales. (05 Mar 2000) |
| rugae vaginales | A number of transverse ridges in the mucous membrane of the vagina. Synonym: rugae vaginales. (05 Mar 2000) |
| rugal columns of vagina | Two slight longitudinal ridges, anterior and posterior, in the vaginal mucous membrane, each marked by a number of transverse mucosal folds. Synonym: columnae rugarum, vaginal columns. (05 Mar 2000) |