Abstract:
:In order to evaluate histological features of freezing damages to human tissue after death, we froze samples of liver and heart tissue to temperatures of -12 degrees C, -28 degrees C and -80 degrees C, and stored them for 24 and 72 h, respectively, at those temperatures. After thawing and routine preparation for histology, the samples were evaluated both by microscope and with an electronic image analyzer. In all cases, we found extended extracellular spaces and shrunken cells resulting from the freeze-thaw cycle. These features were more pronounced in tissues stored for longer durations. Such findings seem to be typical of tissue that has been frozen prior to examination. Two cases of dead bodies found outdoors at subzero temperatures demonstrate that formerly frozen and unfrozen tissues can be distinguished histologically. The findings are examined in relation to the fundamental laws of cryobiology.
journal_name
Forensic Sci Intjournal_title
Forensic science internationalauthors
Schäfer AT,Kaufmann JDdoi
10.1016/s0379-0738(99)00043-2keywords:
subject
Has Abstractpub_date
1999-06-28 00:00:00pages
149-58issue
2-3eissn
0379-0738issn
1872-6283pii
S0379-0738(99)00043-2journal_volume
102pub_type
杂志文章abstract::Though the child abuse syndrome is usually considered to have been first described in the middle of the present century, references to child abuse occur throughout history and in the 19th century, detailed descriptions were published in the French medical literature. ...
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