Intraindividual and intragroup variability of buccal tooth striation pattern.

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 techniques of dental histology provide a method for reconstructing much of the life history of an individual, as accentuated increments visible in polarized light microscopy record incidents of physiological stress during the formation of dental tissues. Combined with counts of the normal periodic growth increment...

journal_title：American journal of physical anthropology

authors： Dirks W,Reid DJ,Jolly CJ,Phillips-Conroy JE,Brett FL

更新日期：2002-07-01 00:00:00

abstract：:In a series of specimens extending from fossil material through recent vertebrates including man there occurs a gradual phylogenetic increase in the degree of humeral torsion. A further (ontogenetic) torsion is superimposed upon the phylogenetic one in man which increases from birth until the proximal epiphysial carti...

journal_title：American journal of physical anthropology

authors： Krahl VE

更新日期：1976-11-01 00:00:00

abstract：:We studied patterns of genetic relatedness and paternity in moustached tamarins, small Neotropical primates living in groups of 1-4 adult males and 1-4 adult females. Generally only one female per group breeds, mating with more than one male. Twin birth are the norm. In order to examine the genetic consequences of thi...

journal_title：American journal of physical anthropology

authors： Huck M,Löttker P,Böhle UR,Heymann EW

更新日期：2005-08-01 00:00:00

abstract：:This report concerns one problem encountered with application of American white dental formation standards to age assessment of sub-adults of archaeological context. Dental ages for eight mandibular permanent teeth and maxillary central and lateral incisors of Arikara Indian immature skeletons were determined accordin...

journal_title：American journal of physical anthropology

authors： Owsley DW,Jantz RL

更新日期：1983-08-01 00:00:00

abstract：:The discovery of several associated body parts of early hominids whose taxonomic identity is known inspires this study of body size and proportions in early hominids. The approach consists of finding the relationship between various measures of skeletal size and body mass in modern ape and human specimens of known bod...

journal_title：American journal of physical anthropology

authors： McHenry HM

更新日期：1992-04-01 00:00:00

abstract：OBJECTIVES:Little research exists documenting levels of intestinal inflammation among indigenous populations where exposure to macroparasites, like soil-transmitted helminths (STHs), is common. Reduced STH exposure is hypothesized to contribute to increased prevalence of elevated intestinal inflammation in wealthy nati...

journal_title：American journal of physical anthropology

authors： Cepon-Robins TJ,Gildner TE,Schrock J,Eick G,Bedbury A,Liebert MA,Urlacher SS,Madimenos FC,Harrington CJ,Amir D,Bribiescas RG,Sugiyama LS,Snodgrass JJ

更新日期：2019-09-01 00:00:00

abstract：:The study of enamel thickness has received considerable attention in regard to the taxonomic, phylogenetic and dietary assessment of human and non-human primates. Recent developments based on two-dimensional (2D) and three-dimensional (3D) digital techniques have facilitated accurate analyses, preserving the original ...

journal_title：American journal of physical anthropology

authors： Benazzi S,Panetta D,Fornai C,Toussaint M,Gruppioni G,Hublin JJ

更新日期：2014-02-01 00:00:00

abstract：OBJECTIVES:Territoriality refers to the consistent defense of an area within the home range (HR) against intrusions of conspecifics. It implies exclusive space use with low degree of overlap among neighboring groups, high site fidelity, specific ranging behavior such as high mobility relative to HR size and frequent vi...

journal_title：American journal of physical anthropology

authors： Van Belle S,Porter A,Fernandez-Duque E,Di Fiore A

更新日期：2018-12-01 00:00:00

abstract：:The objective of this study is to present the characteristics of a collection of identified infants and young children housed in the Laboratory of Anthropology of the University of Granada, Spain. The sample, which is still being enlarged, is currently composed of 230 complete skeletons aged from 5 months of gestation...

journal_title：American journal of physical anthropology

authors： Alemán I,Irurita J,Valencia AR,Martínez A,López-Lázaro S,Viciano J,Botella MC

更新日期：2012-12-01 00:00:00

abstract：:Ontogenetic samples of endocranial volumes (EVs) from great apes and humans are critical for understanding the evolution of the brain growth pattern in the hominin lineage. However, high quality ontogenetic data are scarce, especially for nonhuman primates. Here, we provide original data derived from an osteological c...

journal_title：American journal of physical anthropology

authors： Neubauer S,Gunz P,Schwarz U,Hublin JJ,Boesch C

更新日期：2012-02-01 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

authors： Howcroft R,Eriksson G,Lidén K

更新日期：2012-10-01 00:00:00

abstract：:Observations on petalial asymmetry for 190 hominoid endocasts are reported, and their statistical differences assessed. While all taxa of hominoids show asymmetries to various degrees, the patterns or combinations of petalial asymmetries are very different, with fossil hominoids and modern Homo sapiens showing an iden...

journal_title：American journal of physical anthropology

authors： Holloway RL,De La Costelareymondie MC

更新日期：1982-05-01 00:00:00

abstract：:Hair slope, whorl, cross and field formation is expressible in a topological form. The mathematical description required suggests an origin for the patterns in a growth process occurring in the upper dermis which determines the patterns of the hair slope. The formulae proposed by Euler, Poincaré and Ludwig are adopted...

journal_title：American journal of physical anthropology

authors： Findlay GH,Harris WF

更新日期：1977-05-01 00:00:00

abstract：:The robustness index (RI) is determined by multiplying dental mesiodistal and buccolingual diameters, and is used to estimate occlusal area. However, because teeth are not rectangular its calculation consistently causes overestimations. Moreover, teeth, in particular molars, are not identically shaped so overestimatio...

journal_title：American journal of physical anthropology

authors： Schmidt C,Ousley S,Schmidt M

更新日期：2011-06-01 00:00:00

abstract：:Dental attrition scores from two distinct Australian Aboriginal populations were compared by principal axis analysis. The first group was composed of members of the Narrinyeri group who occupied the river basin and mouth of the River Murray. The second group consisted of members of the Kaurna tribe who occupied the co...

journal_title：American journal of physical anthropology

authors： Richards LC

更新日期：1984-09-01 00:00:00

abstract：:Callitrichids use their tongue in various social, ecological, and hygienic contexts. Using a noninvasive measuring device, we obtained data on the operational tongue length (OTL) in seven species from the family Callitrichidae. OTL (defined as the maximum tongue extension into the device) varied significantly between ...

journal_title：American journal of physical anthropology

authors： Heymann EW,von der Lage F

更新日期：2009-07-01 00:00:00

abstract：:An approach, computational shape analysis (CSA), is presented here which utilizes a Fourier-wavelet representation to numerically describe shape features of biological forms. Two elements are involved: 1) elliptical Fourier functions (EFFs), to provide estimates of global aspects, and 2) continuous wavelet transforms ...

journal_title：American journal of physical anthropology

authors： Lestrel PE,Cesar RM Jr,Takahashi O,Kanazawa E

更新日期：2005-11-01 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

abstract：:Paranthropus is distinctive among hominoids in its possession of a greatly thickened hard palate. Although traditionally considered a structural adaptation to counter high-magnitude masticatory stress, alternative developmental models are equally viable. Three models of palatal thickening were evaluated in this study....

journal_title：American journal of physical anthropology

authors： McCollum MA

更新日期：1997-07-01 00:00:00

abstract：:Phenotypic variability is evaluated in a series of skeletal samples from the Apalachee region of Florida. Based on ethnohistoric evidence, several predictive models for changes in variability are generated. If variability decreases through time, this likely represents the effect of genetic drift in populations experie...

journal_title：American journal of physical anthropology

authors： Stojanowski CM

更新日期：2003-04-01 00:00:00

abstract：:Tolerant food sharing among human foragers can largely be explained by reciprocity. In contrast, food sharing among chimpanzees and bonobos may not always reflect reciprocity, which could be explained by different dominance styles: in egalitarian societies reciprocity is expressed freely, while in more despotic groups...

journal_title：American journal of physical anthropology

authors： Jaeggi AV,Stevens JM,Van Schaik CP

更新日期：2010-09-01 00:00:00

abstract：:The growth of the maxillary complex of 36 rhesus monkeys (Macaca mulatta) was analyzed quantitatively and qualitatively during four defined stages of postnatal development (i.e., infant, juvenile, adolescent, young adult). At each stage, growth was observed during a 24 week period. Since some animals were observed dur...

journal_title：American journal of physical anthropology

authors： McNamara JA Jr,Riolo ML,Enlow DH

更新日期：1976-01-01 00:00:00

abstract：:This paper is one in a series which explores the possibility of using the non-destructive CT technique to identify patterns in tooth enamel distribution and structure of hominid molars from Plio-Pleistocene sites in South Africa, notably Swartkrans, Sterkfontein, and Kromdraai. Whereas previous investigators have emph...

journal_title：American journal of physical anthropology

authors： Macho GA,Thackeray JF

更新日期：1992-10-01 00:00:00

abstract：:Five polymorphisms involving two paternally inherited loci were surveyed in 38 world populations (n = 1,631) to investigate the origins of Native Americans. One of the six Y chromosome combination haplotypes (1T) was found at relatively high frequencies (17.8-75.0%) in nine Native American populations (n = 206) repres...

journal_title：American journal of physical anthropology

authors： Karafet T,Zegura SL,Vuturo-Brady J,Posukh O,Osipova L,Wiebe V,Romero F,Long JC,Harihara S,Jin F,Dashnyam B,Gerelsaikhan T,Omoto K,Hammer MF

更新日期：1997-03-01 00:00:00

abstract：:The movement of humans into the Americas remains a major topic of debate among scientific disciplines. Central to this discussion is ascertaining the timing and migratory routes of the earliest colonizers, in addition to understanding their ancestry. Molecular studies have recently argued that the colonizing populatio...

journal_title：American journal of physical anthropology

authors： Auerbach BM

更新日期：2012-12-01 00:00:00

abstract：:Lactation is an energy demanding phase in the reproductive cycle of female mammals. For this reason, several studies have assessed the effects of lactation on female behavior. In this study we examine the influence of lactation on the time-budgets and foraging patterns of female black howlers (Alouatta pigra) in Campe...

journal_title：American journal of physical anthropology

authors： Dias PA,Rangel-Negrín A,Canales-Espinosa D

更新日期：2011-05-01 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：: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：:Human interactions with nonhuman primates vary tremendously, from daily cultural engagements and food commodities, to pet ownership and tourist encounters. These interactions provide opportunities for the exchange of pathogenic organisms (both zoonoses and anthroponoses). As exposures are not limited to areas where bu...

journal_title：American journal of physical anthropology

authors： Muehlenbein MP

更新日期：2017-01-01 00:00:00