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: No
4. Can the foreign material be destroyed?
Answer: No
7) Tattoos
Many people get tattoos all over their bodies because it adds artistic appeal to their body or cultural and religious beliefs. Tattoos are made by a needle puncturing the skin and injecting ink into the dermis layer under the epidermis (skin) (Geranyl). Soon after the skin has been punctured there is an inflammatory response to heal the wound. Neutrophils, macrophages, keratinocytes, and fibroblasts swarm to the injured site to phagocytize the debris and heal the epidermis (Geranyl). The macrophages try to destroy the ink but the particles are too big for it to digest which stops the macrophages from dispersing since it has not clear the contaminant. This results in fibroblasts migrating around the macrophages and proliferating to form the collagen to build the tissue of the skin. Keratinocytes acquire some of the ink as well
which means that when they proliferate the ink will permanently stay in the epidermis and be visible to the eye (Geranyl).
Geranyl. “Tattoo Ink – Where Does It All Go.” Tattoo Ink – Where Does It All Go. The Evergreen State College, 13 Jan. 2003. Web. 8 Jan. 2015.
http://archives.evergreen.edu/webpages/curricular/1999-2000/humanbio/TattooInk.htm
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