Patinogeza, tinowanzo shandisa bhora rekugezera kuti tigeze, kana kutoisa zvakananga kugezeswa kwemuviri nemaoko edu.Nekudaro, maoko edu haakwanise kusvika kunzvimbo dzakaita sekuseri, uye kucheneswa kwenguva refu kunokonzeresa kuvharika pores, kukwenya kumashure, uye mburwa.
Verenga zvimwe