Quantifying variation in human scalp hair fiber shape and pigmentation.

abstract：:Patterns of dental disease among Bronze Age people of the Indus Valley Civilization are currently based on early and incomplete reports by non-specialists. This deficiency precludes accurate diachronic analysis of dental disease and its relationship with increasing agriculturalism in the Indian subcontinent. The objec...

journal_title：American journal of physical anthropology

authors： Lukacs JR

更新日期：1992-02-01 00:00:00

abstract：:The purpose of this brief communication is to report the results of an analysis of maxillary premolar accessory ridges (MxPAR), a common but understudied accessory ridge that may occur both mesial and distal to the central ridge of the buccal cusp of upper premolars. We developed a new five-grade scoring plaque to bet...

journal_title：American journal of physical anthropology

authors： Burnett SE,Hawkey DE,Turner CG 2nd

更新日期：2010-02-01 00:00:00

abstract：:Isotope variations were studied in necropolises of the early (6th to 7th century CE) and central (10th to 11th century CE) medieval period located in Fruili-Venezia Giulia (Northeastern Italy). The two periods each shortly followed two great barbarian invasions that changed the politics and economy of Italy: the arriv...

journal_title：American journal of physical anthropology

authors： Iacumin P,Galli E,Cavalli F,Cecere L

更新日期：2014-08-01 00:00:00

abstract：:The amount of disparity between the lengths of the radii and ulnae of 177 Negro female skeletons of the Terry Collection was questioned. An error was found and corrections have been made in the relevant statistics and tables. ...

journal_title：American journal of physical anthropology

authors： Trotter M,Gleser GC

更新日期：1977-09-01 00:00:00

abstract：:Computed tomography allows cross-sectional imaging of anthropological as well as clinical subjects. Recently, technical innovations have made three-dimensional reconstruction of these images feasible. We performed two-dimensional and three-dimensional computed tomography of a Late Period Egyptian mummy to reexamine fi...

journal_title：American journal of physical anthropology

authors： Pickering RB,Conces DJ Jr,Braunstein EM,Yurco F

更新日期：1990-09-01 00:00:00

abstract：:Sexual dimorphism is a pervasive phenomenon among anthropoid primates. Comparative analyses over the past 30 years have greatly expanded our understanding of both variation in the expression of dimorphism among primates, and the underlying causes of sexual dimorphism. Dimorphism in body mass and canine tooth size is f...

journal_title：American journal of physical anthropology

authors： Plavcan JM

更新日期：2001-01-01 00:00:00

abstract：:Enamel hypoplasias, deficiencies in enamel thickness resulting from disturbances during the secretory phase of enamel development, are generally believed to result from nonspecific metabolic and nutritional disruptions. However, data are scare on the prevalence and chronological distributions. of hypoplasias in popula...

journal_title：American journal of physical anthropology

authors： Goodman AH,Allen LH,Hernandez GP,Amador A,Arriola LV,Chávez A,Pelto GH

更新日期：1987-01-01 00:00:00

abstract：:Previous works on the inheritance of dental traits have traditionally followed Fisher's model for family data under the assumption that phenotypic similarity between relatives is due solely to genetic factors. This study uses recent causal models that incorporate the contribution of nonrandom environmental sources of ...

journal_title：American journal of physical anthropology

authors： Potter RH,Rice JP,Dahlberg AA,Dahlberg T

更新日期：1983-07-01 00:00:00

abstract：:In order to help define the boundaries of the distribution of the albumin variants Naskapi and Mexico which are polymorphic among several American Indian groups, we examined sera from Micmac, Mohawk, Northwest River Naskapi, Omaha and Apache Indians, and from Aleuts and Eskimos. Sera from a total of 1,524 individuals ...

journal_title：American journal of physical anthropology

authors： Schell LM,Agarwal SS,Blumberg BS,Levy H,Bennett PH,Laughlin WS,Martin JP

更新日期：1978-07-01 00:00:00

abstract：:The numbers of precoccygeal vertebrae (PCV) are compared in Southern African Negroes, Bushman (San) and American Negroes. The S.A. Negro and San males have an exceptionally high frequency of an increased total PCV number whilst the frequencies are significantly lower in a combined Caucasoid sample and the Mongoloid sa...

journal_title：American journal of physical anthropology

authors： de Beer Kaufman P

更新日期：1977-11-01 00:00:00

abstract：:Geographic information systems (GIS) software is typically used for analyzing geographically distributed data, allowing users to annotate points or areas on a map and attach data for spatial analyses. While traditional GIS-based research involves geo-referenced data (points tied to geographic locations), the use of th...

journal_title：American journal of physical anthropology

authors： Rose DC,Agnew AM,Gocha TP,Stout SD,Field JS

更新日期：2012-08-01 00:00:00

abstract：OBJECTIVES:The growth of tooth dentin is incremental, so its formation represents a dietary record in early life. With archeological skeletons, applying sequential stable isotope analysis to the horizontal sections of tooth dentin has revealed weaning patterns and dietary changes that took place during childhood. Howev...

journal_title：American journal of physical anthropology

authors： Tsutaya T

更新日期：2020-12-01 00:00:00

abstract：:Accurately estimating biological sex from the human skeleton can be especially difficult for fragmentary or incomplete remains often encountered in bioarchaeological contexts. Where typical anatomically dimorphic skeletal regions are incomplete or absent, observers often take their best guess to classify biological se...

journal_title：American journal of physical anthropology

authors： Passalacqua NV,Zhang Z,Pierce SJ

更新日期：2013-08-01 00:00:00

abstract：:Museum curators and living communities are sometimes reluctant to permit ancient DNA (aDNA) studies of human skeletal remains because the extraction of aDNA usually requires the destruction of at least some skeletal material. Whether these views stem from a desire to conserve precious materials or an objection to dest...

journal_title：American journal of physical anthropology

authors： Bolnick DA,Bonine HM,Mata-Míguez J,Kemp BM,Snow MH,LeBlanc SA

更新日期：2012-02-01 00:00:00

abstract：:The premise that bones grow and remodel throughout life to adapt to their mechanical environment is often called Wolff's law. Wolff's law, however, is not always true, and in fact comprises a variety of different processes that are best considered separately. Here we review the molecular and physiological mechanisms b...

journal_title：American journal of physical anthropology

authors： Pearson OM,Lieberman DE

更新日期：2004-01-01 00:00:00

abstract：:It has been argued that techniques for estimating adult age-at-death from cortical histology are deleteriously affected by sampling location. This study uses nine complete femoral midshaft cross-sections to test the effect of sampling site on measurement of a standard histological variable, percent remodeled bone. Cir...

journal_title：American journal of physical anthropology

authors： Pfeiffer S,Lazenby R,Chiang J

更新日期：1995-01-01 00:00:00

abstract：:The Warao Indian village of Jobure has two modes for height within its adult male population. One mode is at 158 cm and the second occurs at 169 cm. Mean height for adult males and females for this village is significantly higher (alpha less than or equal to 0.05) than for the other Warao villages studied. Examination...

journal_title：American journal of physical anthropology

authors： Fleischman ML

更新日期：1980-09-01 00:00:00

abstract：OBJECTIVES:Depicting past epidemics currently relies on DNA-based detection of pathogens, an approach limited to pathogens with well-preserved DNA sequences. We used paleoserology as a complementary approach detecting specific antibodies under a mini line-blot format including positive and negative control antigens. M...

journal_title：American journal of physical anthropology

authors： Oumarou Hama H,Barbieri R,Guirou J,Chenal T,Mayer A,Ardagna Y,Signoli M,Aboudharam G,Raoult D,Drancourt M

更新日期：2020-12-01 00:00:00

abstract：:We documented the spacing and distribution of perikymata on the buccal enamel surface of fossil hominin anterior teeth with reference to a sample of modern human and modern great ape teeth. A sample of 27 anterior teeth attributed to Australopithecus (5 to A. afarensis, 22 to A. africanus) and of 33 attributed to Para...

journal_title：American journal of physical anthropology

authors： Dean MC,Reid DJ

更新日期：2001-11-01 00:00:00

abstract：:Fluctuating asymmetry (FA) is thought to increase as a result of environmental perturbations during development. A number of studies involving measures of health and developmental stability other than FA have discussed the presumed increased buffering in females relative to males. But, there is little evidence in the ...

journal_title：American journal of physical anthropology

authors： Ozener B

更新日期：2010-10-01 00:00:00

abstract：:Catarrhine symphyseal morphology displays considerable variation. Although this has been related to dentition, phylogeny, sexual dimorphism, and facial orientation, most emphasis has been given to the functional significance of the symphysis to mechanical loading during mastication. The current state of knowledge rega...

journal_title：American journal of physical anthropology

authors： Panagiotopoulou O,Cobb SN

更新日期：2011-10-01 00:00:00

abstract：:In placental mammals, pregnancy usually is associated with an increase in maternal androgens, which may significantly impact fetal growth and differentiation, and affect postnatal development and behavior. Owing to their slow life histories and challenging social conditions, determination of maternal androgens and pot...

journal_title：American journal of physical anthropology

authors： Fürtbauer I,Heistermann M,Schülke O,Ostner J

更新日期：2012-02-01 00:00:00

abstract：OBJECTIVES:European ancestry in many populations in Latin America at autosomal loci is often higher than that from X-linked loci indicating more European male ancestry and more Amerindian female ancestry. Generally, this has been attributed to more European male gene flow but could also result from an advantage to Euro...

journal_title：American journal of physical anthropology

authors： Hedrick PW

更新日期：2017-07-01 00:00:00

abstract：:Seasonal change in time spent for terrestrial behavior of chimpanzees was investigated from the viewpoint of the distribution of food and microclimate in the forest at Bossou, Guinea, West Africa. Daily and monthly data for activity budgets of three focal animals, climatic variables in the forest, and indices of fruit...

journal_title：American journal of physical anthropology

authors： Takemoto H

更新日期：2004-05-01 00:00:00

abstract：OBJECTIVES:The Taung hominin fossil was recovered in 1924 during quarry operations in the tufa formations of the Buxton Limeworks. Reconstructions of the depositional environment of the juvenile Australopithecus skull have concentrated on the types of caves that form within the tufa. Hopley et al. (Am J Phys Anthropol ...

journal_title：American journal of physical anthropology

authors： McKee JK

更新日期：2016-02-01 00:00:00

abstract：:This study was designed to investigate the relationship between traditional skeletal cephalometric measurement and Fourier analysis of the lateral soft-tissue profile. A random sample of 121 untreated subjects of European descent, with wide ranges of malocclusions and underlying facial patterns, was selected in the Or...

journal_title：American journal of physical anthropology

authors： Rose AD,Woods MG,Clement JG,Thomas CD

更新日期：2003-06-01 00:00:00

abstract：OBJECTIVES:The diet of tufted capuchins (Sapajus) is characterized by annual or seasonal incorporation of mechanically protected foods. Reliance on these foods raises questions about the dietary strategies of young individuals that lack strength and experience to access these resources. Previous research has demonstrat...

journal_title：American journal of physical anthropology

authors： Chalk J,Wright BW,Lucas PW,Schuhmacher KD,Vogel ER,Fragaszy D,Visalberghi E,Izar P,Richmond BG

更新日期：2016-02-01 00:00:00

abstract：:Gene and haplotype frequencies for HLA-A and HLA-B antigens were determined in Milwaukee blood donors of German and Polish descent. Gene frequencies for A25 and B18 were significantly higher in Poles than in Germans. Significant gametic associations were noted for A1-B8, A29-B12 and AW30-B13 in both populations. Gamet...

journal_title：American journal of physical anthropology

authors： Stevenson JC,Duquesnoy RJ

更新日期：1978-01-01 00:00:00

abstract：:A controlled study of the relationship of two standard clinical indicators of osteoarthritis and porosity failed to demonstrate a relationship. Porosity appears to be a curiosity that has no clinical correlation and is not a sign of an identifiable rheumatologic disorder. It should be deleted as an identifier for oste...

journal_title：American journal of physical anthropology

authors： Rothschild BM

更新日期：1997-12-01 00:00:00

abstract：:An intergroup comparison of cephalometric landmark configurations by the finite-element method elegantly depicts the algebra of some of the size and shape change measures that one may define by reference to those landmarks. In studies of mean differences between groups, the statistical analysis of these finite element...

journal_title：American journal of physical anthropology

authors： Bookstein FL

更新日期：1987-12-01 00:00:00