1. Are there any external resources that can be used by the damaged component?
Answer: No
2. Is there any foreign material present?
Answer: Yes
3. Is the foreign material removable?
Answer: Yes
6) Ear piercing
Many people have their ears pierced and sometimes multiple piercings. Most people do it because it adds beauty others do it for cultural or religious beliefs. Once the ear is pierced it undergoes a healing process that can be divided into three phases: inflammatory, proliferative, and maturation (Kancheska et al.). The inflammatory phase happens the first days after piercing the ear. It involves the injured site becoming swollen and tender and sending signals for neutrophils to migrate to the wound. Next is phase the proliferative phase in which epitheliazation and angiogenesis occurs. Epitheliazation warrants the proliferation of epithelial cells that create the new skin that covers the wound all around the ear piercing. Angiogenesis occurs when endothelial cells proliferate and create precursors for blood vessels and connect them to old blood vessels. Finally the pierced ear undergoes maturation which involves the epithelial turning into keratin and endothelial cells maturing into blood vessels. The pierced ear should be healed and not bleed if you were to remove the earring.
Kancheska, Iva, Matt Griffith, and Brian Stewart. “Body Piercing – Healing Phases.” Body Piercing – Healing Phases. Skin Artists, 2014. Web. 6 Jan. 2015.
http://www.skin-artists.com/body-piercing-healing-phases.htm
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