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splinter
A splinter (known as sliver in Canada) is a fragment of a larger object (especially wood), or a foreign body that penetrates or is purposely injected into a body. The foreign body must be lodged inside tissue to be considered a splinter. Splinters may cause initial pain through ripping of flesh and muscle, infection through bacteria on the foreign object, and severe internal damage through migration to vital organs or bone over time. Splinters commonly consist of wood, but there are many other types. According to the American Academy of Family Physicians (AAFP), common types of splinters are glass, plastic, metal, and spines of animals.〔Capellan O, Hollander JE. Management of lacerations in the emergency department. Emerg Med Clin North Am. 2003;21:205–31.〕 ==Contracting a splinter== Generally, a splinter causes an initial feeling of pain as the sharp object makes its initial penetration through the body. Through this penetration, the object cuts through the cutaneous layer of the skin, and settles in the subcutaneous layer of the skin, and can even penetrate further down, breaking the sub-cutaneous layer, settling in muscle tissue, or even the bone. Some splinters will remain in place, but most will continue to migrate through the body, further damaging their surroundings.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「splinter」の詳細全文を読む
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