Jatyr moınynyń dısplazııasy jatyr moıny betindegi jasýshalardaǵy aýytqýly ózgeristermen sıpattalady. Jatyr moıny – jatyrdyń qynappen jalǵasatyn tómengi bóligi.

Aýytqýly ózgerister – qaterli isik emes. Biraq, emdelmegen jaǵdaıda jatyr moınynyń qaterli isigine aparýy múmkin.