Pay

Pay, yak qismi mushak, boftai zichest, ki ba vositai on mushakho ba ustukhonho payvast shuda, harakati onhoro tamin mskunand. Yak nu­gi torhoi Pay bo torhoi mushak va nugi digarash bo pardai rui ustukhon payvast ast. Pay shaklhoi gunogun dorad. Payi mushakhoi daroz ustukhonashakl va Payi mushakhoi pahn lavhashakl meboshand.

Baze Payho masalan, Payhoi daroze, ki panjahoro qatu rost mekunand, pardai makhsus (sinoviali) dorand. In parda luob dorad, ki hangomi harakat lagjishi Payro oson mekunad. Funksiyai Pay hangomi bemorihoi gazaki, illati uzvho va gayra vayron meshavad. Bemo- rihoi Pay va khaltai sinoviadiro biduni jarrohi muolija mekunand. Agar Pay kanda shavad, on goh jarrohi mekunand.