rugae

n.

（尤指内脏的）皱，皱褶，皱纹( ruga的名词复数 )；[医][拉] 〔单ruga〕皱褶；

Palatal rugae pattern in Mysorean and Tibetan populations.
Individuality of human palatal rugae.
Palatal rugae patterns in Australian aborigines and Caucasians.
Rugae patterns as an adjunct to sex differentiation in forensic identification.
Palatine Rugae and Their Significance in Clinical Dentistry : A Review of the Literature
The effects of tooth movement on the palatine rugae
Analysis of rugae in burn victims and cadavers to simulate rugae identification in cases of incineration and decomposition
Stability of the palatal rugae as landmarks for analysis of dental casts in extraction and nonextraction cases.
Computerized recording of the palatal rugae pattern and an evaluation of its application in forensic identification.
The common developmental origin and phylogenetic aspects of teeth, rugae palatinae, and fornix vestibuli oris in the mouse