<unk>  is the practice of puncturing or cutting a part of the human<unk> , creating an opening in which jewelry may be worn.<unk>  is a form of<unk>  modification.  The word<unk>  can refer to the act or practice of<unk> , or to an opening in the<unk>  created by this act or practice. The cultural norms reflected in<unk>  are various. They may include religion, spirituality, fashion, eroticism, conformism, or subcultural identification.
Body piercing
Spider bite
Human biting injuries
Insect bites and stings
Electrical injury
Wrinkle
Chemical burn
Onychomadesis