Na nkenke, a na-eji obere agịga ndị a dụpuo cuticle n'elu akpụkpọ ahụ n'ime obere oge, nke mere na ọgwụ (ịcha ọcha, nrụzi, mgbochi mkpali na ihe ndị ọzọ) nwere ike ịbanye n'ime ime akpụkpọ ahụ, ya mere. iji nweta ebumnuche nke ịcha ọcha, iwepụ wrinkle, otutu ...
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