thumb|270x270px|Rugae folds behind the anterior teeth in the hard palate of the mouth
thumb|270x270px|Rugae folds behind the anterior teeth in the hard palate of the mouth
In anatomy, rugae (: ruga) are a series of ridges produced by folding of the wall of an organ.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).