Roinaston
Appearance
![](http://chped.net/https/upload.wikimedia.org/wikipedia/commons/thumb/9/92/Kidney_stone_4mm_01.jpg/250px-Kidney_stone_4mm_01.jpg)
Roinaston binon ston smalik, kel daglofon in yurinasit, ledino in roins. Roinastons lüvons se bod in yurin. If roinaston binon smalikum ka 5 mm, kanon lüvön se bod nen dol, ab roinastons gretikum kanons dolükön mu in bäk u bälid. Za laf menas, kel elabons roinastoni, olabons votikosi tüpü yels deg.