[생물학]【A+】감염
- 최초 등록일
- 2011.06.20
- 최종 저작일
- 2011.06
- 27페이지/
MS 파워포인트
- 가격 1,000원
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An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host`s resources to multiply (usually at the expense of the host). The infecting organism, or pathogen, interferes with the normal functioning of the host and can lead to chronic wounds, gangrene, loss of an
infected limb, and even death. The host`s response to infection is inflammation.
Colloquially, a pathogen is usually considered a microscopic organism though the definition is broader, including parasites, fungi, viruses, prions, and viroids. A symbiosis
between parasite and host, whereby the relationship is beneficial for the former but
detrimental to the latter, is characterised as parasitism. The branch of medicine that
focuses on infections and pathogens is infectious disease. "When infection attacks the
body, anti-infective drugs can help turn the tide of battle. Four types of anti-infective drugs exist: antibacterial, a
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