Cosa sono le patologie degenerative e come vengono classificate?

#iguru_soc_icon_wrap_67de1eb0c04bc a{ background: transparent; }#iguru_soc_icon_wrap_67de1eb0c04bc a:hover{ background: transparent; border-color: #7cbc61; }#iguru_soc_icon_wrap_67de1eb0c04bc a{ color: #7cbc61; }#iguru_soc_icon_wrap_67de1eb0c04bc a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_67de1eb0c050c1{ color: #ffffff; }.iguru_module_social #soc_icon_67de1eb0c050c1:hover{ color: #7cbc61; }.iguru_module_social #soc_icon_67de1eb0c050c1{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67de1eb0c050c1:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67de1eb0c05292{ color: #ffffff; }.iguru_module_social #soc_icon_67de1eb0c05292:hover{ color: #7cbc61; }.iguru_module_social #soc_icon_67de1eb0c05292{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67de1eb0c05292:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67de1eb0c05353{ color: #ffffff; }.iguru_module_social #soc_icon_67de1eb0c05353:hover{ color: #7cbc61; }.iguru_module_social #soc_icon_67de1eb0c05353{ background: rgba(124,188,97,0.01); }.iguru_module_social #soc_icon_67de1eb0c05353:hover{ background: rgba(255,255,255,0.01); }