perikymata

perikymata

 [per″ĭ-ki´mah-tah] the numerous small transverse ridges on the surface of the enamel of permanent teeth, representing overlapping prism groups; continued abrasion erodes the enamel surface and obliterates them.

per·i·ky·ma·ta

, sing.

per·i·ky·ma

(per'i-kī'mă-tă, -kī'mă), Transverse ridges and grooves on the surface of tooth enamel. [peri- + G. kyma, wave]

per·i·ky·ma·ta

(per'i-kī'mă-tă) Shallow, horizontal furrows on the enamel of a tooth where the striae of Retzius meet the surface. [peri- + G. kyma, wave]

per·i·ky·ma·ta

(per'i-kī'mă-tă) Transverse ridges and grooves on tooth enamel surface. [peri- + G. kyma, wave]