Abstract:
:The 5,200-year-old Tyrolean Ice Man discovered in 1991 in the Otztal Alps is the world's most ancient known human glacier mummy. Histological investigation was aimed at 1) optimizing specimen preparation and 2) documenting the preservation state of (sub)cellular components. Minute pieces of frozen tissue were removed endoscopically from rib bone and cartilage, major blood vessels, oral cavity and alimentary tract, liver, spleen, diaphragm, respiratory system, femoral muscle and nerve, sympathetic trunk, brain, and skin. Double fixation with glutaraldehyde followed by osmium tetroxide and embedding in Epon/Araldite epoxy resins proved to be the method of choice for both light and transmission electron microscopy combined with classical histochemistry. In particular, mild evacuation of the desiccated tissue was determined to be essential to ensure homogeneous infiltration with fixatives and resins; as a result, sections of excellent quality could be obtained with any kind of sample. With regard to the preservation degree of (sub)cellular components, distinct tissue-specific patterns were observed. There were highly intact skeletal and connective tissues proper, however, most interestingly, there were remarkably intact nervous tissue components as well. By contrast, epithelial, muscle, and reticular connective tissues as well as blood had generally disintegrated due to autolysis, freeze/thaw damage, and adipocere formation. For a tentative interpretation of these patterns, we considered general aspects of cryopreservation, such as physicochemical properties of subcellular constituents and tissue physiology.
journal_name
Am J Phys Anthropoljournal_title
American journal of physical anthropologyauthors
Hess MW,Klima G,Pfaller K,Künzel KH,Gaber Odoi
10.1002/(SICI)1096-8644(199808)106:4<521::AID-AJPAsubject
Has Abstractpub_date
1998-08-01 00:00:00pages
521-32issue
4eissn
0002-9483issn
1096-8644pii
10.1002/(SICI)1096-8644(199808)106:4<521::AID-AJPAjournal_volume
106pub_type
历史文章,杂志文章abstract::Trace elements in the dental enamel of 43 prehistoric Indians from Illinois, Maryland and Virginia show concentration differences by age, sex and geographical locality. Sample areas on an incisor or first molar were blocked off with paraffin, washed twice with distilled water and etched 7 times with 6N HCl. An optical...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330450334
更新日期:1976-11-01 00:00:00
abstract::Dramatic changes in cranial capacity have characterized human evolution. Important evolutionary hypotheses, such as the spatial packing hypothesis, assert that increases in relative brain size (encephalization) have caused alterations to the modern human skull, resulting in a suite of traits unique among extant primat...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.23766
更新日期:2019-01-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.20017
更新日期:2002-02-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330690402
更新日期:1986-04-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
doi:10.1002/ajpa.1330870202
更新日期:1992-02-01 00:00:00
abstract::The anatomic distribution of the Stafne static mandibular bone defect (SSBD) is extended with a description of a cavitation defect on the buccal ramus of the mandible. The anatomical placement of SSBD thus correlates precisely with the submandibular and parotid salivary glands, and gives further evidence that an incre...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/(SICI)1096-8644(200003)111:3<425::AID-AJPA
更新日期:2000-03-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330860104
更新日期:1991-09-01 00:00:00
abstract:OBJECTIVES:Human language represents an extreme form of communicative complexity. Primate facial display complexity, which depends upon facial mobility, can be used as a model for the study of the evolution of communicative complexity. The gelada (Theropithecus gelada) is the only primate that can produce a lip-flip ev...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.24031
更新日期:2020-06-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330950103
更新日期:1994-09-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330860409
更新日期:1991-12-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.23282
更新日期:2017-10-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.10403
更新日期:2004-12-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
doi:10.1002/ajpa.1330530119
更新日期:1980-07-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330620405
更新日期:1983-12-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.22122
更新日期:2012-10-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330820410
更新日期:1990-08-01 00:00:00
abstract::This article presents the results of a study of infant diet at two Iron Age sites on the island of Öland, Sweden. The cemetery at Bjärby contained a large number of subadults who had survived the earliest years of life, whereas most individuals at Triberga had died by 6 months of age. To investigate whether difference...
journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
doi:10.1002/ajpa.22113
更新日期:2012-10-01 00:00:00
abstract::New insights may be gleaned by taking an ontogenetic approach to investigations of adult dimorphism. Previous work in this area relied on traditional, caliper-based, morphometric methods, and produced conflicting results. This study uses a three-dimensional (3-D) approach for both local and global form comparisons of ...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
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更新日期:2003-05-01 00:00:00
abstract:OBJECTIVES:Histomorphometric studies show consistent links between physical activity patterns and the microstructure underlying the size and shape of bone. Here, we adopt a combined bone approach to explore variation in microstructure of ribs and humeri related to physical activity and historical records of manual labo...
journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
doi:10.1002/ajpa.23853
更新日期:2019-08-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330630408
更新日期:1984-04-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/(SICI)1096-8644(199611)101:3<333::AID-AJPA
更新日期:1996-11-01 00:00:00
abstract::The effects of changes in nutritional and health status upon bone and enamel development are examined in a sample of 63 rural Guatemalan children (24 females, 39 males). The number of ossified hand-wrist centers at 3 years and the number of linear enamel hypoplasias (LEH) in approximately 0-3 year zones of developing ...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330920104
更新日期:1993-09-01 00:00:00
abstract::The recent discovery of unexpectedly ancient human remains has fuelled interest about the first dispersion of Homo outside Africa. The Dmanisi mandible is perhaps one of the most interesting findings, as it supposedly represents one of the oldest hominids outside of Africa. Recently, different interpretations have bee...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/(SICI)1096-8644(199810)107:2<145::AID-AJPA
更新日期:1998-10-01 00:00:00
abstract::An examination of the Vértesszöllös occipital bone indicates the need for takings its condition and preservation as well as certain aspects of its morphology into account prior to a metric assessment of its features. This analysis confirms the presence of extrasutural bones on the lambdoidal suture as well as some dis...
journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
doi:10.1002/ajpa.1330470302
更新日期:1977-11-01 00:00:00
abstract::How do arm-swinging apes locomote effectively over a variety of speeds? One way to reduce the metabolic energy cost of locomotion is to transfer energy between reversible mechanical modes. In terrestrial animals, at least two transfer mechanisms have been identified: 1) a pendulum-like mechanism for walking, with exch...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1088
更新日期:2001-08-01 00:00:00
abstract::A total of 582 individuals (1,164 chromosomes) from two African, eight African-derived South American, five South American Amerindian, and three Brazilian urban populations were studied at four variable number of tandem repeat (VNTR) and two short tandem repeat (STR) hypervariable loci. These two sets of loci did not ...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/(SICI)1096-8644(199908)109:4<425::AID-AJPA
更新日期:1999-08-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
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更新日期:2003-10-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330600104
更新日期:1983-01-01 00:00:00
abstract::The skull is distinguished from other parts of the skeleton by its composite construction. The sutures between bony elements provide for interstitial growth of the cranium, but at the same time they alter the transmission of stress and strain through the skull. Strain gages were bonded to the frontal and parietal bone...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/1096-8644(200008)112:4<575::AID-AJPA10>3.0
更新日期:2000-08-01 00:00:00
abstract::Study of the dry weights of primate and non-promate masticatory musculature reveals a significant relationship between the Anterior Temporalis/Masseter ratio and the relative development of the anterior dentition. Available dietary information demonstrates that species emphasizing incisal preparation of food have a hi...
journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330500102
更新日期:1978-01-01 00:00:00