매장 후 사람 머리털의 풍화과정에 대한 주사전자현미경적 연구
SEM Observation on the Weathering Human Hair after Burial
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초록
본 연구는 매장 후 풍화작용으로 머리털에서 나타나는 형태적 변화를 시간경과에 따라 관찰하고 법의학 적 기초자료로 제공하기 위하여 실시하였다. 사용된 머리털은 정상대조군으로 정상인의 머리털과 실험군인 매장 머리털로 구분하고, 매장 후 시간경과에 따 라 30년까지는 5년 단위로, 30년 이후는 10년 단위로 분류하여 관찰하였다. 실험군은 사망 나이 및 시간경과가 명 확히 밝혀진 봉분에서 이∙개장시 유가족의 동의를 받아 현장에서 수집한 머리털을 비교∙분석하였다. 매장 후 풍화된 머리털에서는 털껍질의 연속적 탈락, 털속질의 공동화현상 등이 시간경과에 따라 심화되었으며, 시간경과에 따라 나타나는 머리털의 형태적 변화양상은 유사하였다. 본 연구의 결과는 유용하게 사용될 법의학 자료로 생각된다.
Abstract
This study was undertaken to investigate the morphological changes of hair according to weathering after burial and to offer basic data for forensic science. To examine the effect of weathering degree, the 45 hairs buried for 5~50 years were taken from deceased individuals in tombs in Korea. The morphological changes in weathering hair shafts of the scalp were investigated using the scanning electron microscopes. There were little morphological differences of weathering depending on the regions of burial. The weathering changes includes exclusion of cuticle, separation of hair cortex and hollow formation in the medulla according to the burial period. These results could provide basic data to the field of forensic medicine.
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