Formation of the permanent dentition in Arikara Indians: timing differences that affect dental age assessments.

abstract：:The new species Agerinia smithorum (Adapiformes, Primates) from the early Eocene of the Iberian Peninsula is erected in this work. An emended diagnosis of the genus is provided, together with a broad description of the new species and comparisons with other samples assigned to Agerinia and other similar medium-sized c...

journal_title：American journal of physical anthropology

authors： Femenias-Gual J,Minwer-Barakat R,Marigó J,Moyà-Solà S

更新日期：2016-09-01 00:00:00

abstract：:This study investigates evidence of changes and continuities in ancient Maya violence and warfare in inland northwest Yucatan, Mexico from the Middle Preclassic (600-300 BC) to the Postclassic (AD 1050-1542) through bioarchaeological analysis of cranial and projectile trauma. It is hypothesized that the frequency of v...

journal_title：American journal of physical anthropology

authors： Serafin S,Lope CP,Uc González E

更新日期：2014-05-01 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：:It is assumed that the transition from the Late Eneolithic to the Early Bronze Age in Central Europe was associated with substantial changes in subsistence and the perception of gender differences. However, the archeological record itself does not entirely support this model. Alternatively, this transition may be inte...

journal_title：American journal of physical anthropology

authors： Sládek V,Berner M,Sosna D,Sailer R

更新日期：2007-05-01 00:00:00

abstract：:Pair-bonding in the genus Papio seems to be the result of fusion of troops as well as fission. When troop segments regularly split and join again, males who permanently maintain exclusive access to a few females may have an advantage over males who compete for all females who are in estrus. When two or more troops reg...

journal_title：American journal of physical anthropology

authors： Anderson CM

更新日期：1983-01-01 00:00:00

abstract：:Serum samples of 683 unrelated male and female individuals of four Sardinian population samples (Sassari, Nuoro, Oristano and Cagliari) were typed for G 1 m (1,2,3,17), G 3 m (5,6,10,11,13,14,15,16,21,26), and Km (1). Phenotype, haplotype (Gm), and allele frequencies (Km), respectively, show a remarkable variability b...

journal_title：American journal of physical anthropology

authors： Walter H,Matsumoto H,De Stefano GF

更新日期：1991-09-01 00:00:00

abstract：:One trait that distinguishes the walking gaits of most primates from those of most mammalian nonprimates is the distribution of weight between the forelimbs and hindlimbs. Nonprimate mammals generally experience higher vertical peak substrate reaction forces on the forelimb than on the hindlimb. Primates, in contrast,...

journal_title：American journal of physical anthropology

authors： Hanna JB,Polk JD,Schmitt D

更新日期：2006-08-01 00:00:00

abstract：OBJECTIVES:The degree of expression of sulcal patterns on endocasts of nonhuman primates has been shown to depend primarily on species (brain size) and age of the individual. It has been suggested that brain details on endocasts are reproduced better in juvenile than adult primates. Here, we investigated age-related ch...

journal_title：American journal of physical anthropology

authors： Van Minh N,Hamada Y

更新日期：2017-06-01 00:00:00

abstract：:It is well documented in the anthropological literature that the distinctive morphology of the "robust" hominid facial skeleton reflects its dietary specialization. Rak (1983) has provided the most comprehensive evaluation of Paranthropus facial morphology and this important study concluded that bone strain generated ...

journal_title：American journal of physical anthropology

authors： McCollum MA

更新日期：1994-02-01 00:00:00

abstract：:The ∼37 million-year-old Birket Qarun Locality 2 (BQ-2), in the Birket Qarun Formation of Egypt's Fayum Depression, yields evidence for a diverse primate fauna, including the earliest known lorisiforms, parapithecoid anthropoids, and Afradapis longicristatus, a large folivorous adapiform. Phylogenetic analysis has pla...

journal_title：American journal of physical anthropology

authors： Boyer DM,Seiffert ER,Simons EL

更新日期：2010-11-01 00:00:00

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 ...

journal_title：American journal of physical anthropology

authors： Hess MW,Klima G,Pfaller K,Künzel KH,Gaber O

更新日期：1998-08-01 00:00:00

abstract：:A model is developed that treats migration rates among populations as a function of the geographic distance between them and the size of both sources and recipient population. Specifically, mij/mjj = a(Ni/Nj)pe-bd, where mij/mjj is the relative migration rate into population j from population i, Ni is the size of the ...

journal_title：American journal of physical anthropology

authors： Relethford JH

更新日期：1992-12-01 00:00:00

abstract：:The history of discovery and interpretation of primate footprints at the site of Laetoli in northern Tanzania is reviewed. An analysis of the geological context of these tracks is provided. The hominid tracks in Tuff 7 at Site G in the Garusi River Valley demonstrate bipedality at a mid-Pliocene datum. Comparison of t...

journal_title：American journal of physical anthropology

authors： White TD,Suwa G

更新日期：1987-04-01 00:00:00

abstract：:Male baboons use their sharp upper canines in aggressive interactions. These teeth are sharpened against specialized lower third premolars. The honing premolar is protected against wear by having very thick enamel and the upper canine having very thin enamel, not by structural or mineral differences between the two en...

journal_title：American journal of physical anthropology

authors： Walker A

更新日期：1984-09-01 00:00:00

abstract：:The purpose of this paper is to provide skin color data on several endogamous groups of eastern Nepal and to demonstrate genetic microdifferentiation in skin color. Skin reflectance measures were taken at the upper inner arm and forehead sites, using the British DSL Model 99 Reflectance Spectrophotometer fitted with b...

journal_title：American journal of physical anthropology

authors： Williams-Blangero S,Blangero J

更新日期：1991-07-01 00:00:00

abstract：:Comparative endocrine studies have notably advanced understanding of ecological factors that contribute to variation in human reproductive function. Such research has relied on methodological advances that permit hormone determinations in samples that are easily and safely collected, stored, and transported, most rece...

journal_title：American journal of physical anthropology

authors： Worthman CM,Stallings JF

更新日期：1997-09-01 00:00:00

abstract：:The archaeological evidence of ancient cranial surgery is limited to cases of trepanation and cauterization. I report here on the only known case of cranial surgery in direct association with the osseous image of a non-trauma-induced soft tissue lesion (sinus pericranii). This case, from Alameda County, California (La...

journal_title：American journal of physical anthropology

authors： Richards GD

更新日期：1995-10-01 00:00:00

abstract：:A virtually complete skeleton recovered from excavations in a Late Upper Paleolithic context by Cardini between 1940 and 1942 at the Arene Candide cave (NW Italy) lacks the normal development of the left and right lesser trochanters. The specimen is a short-statured male about 25 years old and shows no other especiall...

journal_title：American journal of physical anthropology

authors： Formicola V,Frayer DW,Heller JA

更新日期：1990-12-01 00:00:00

abstract：:Repetitive linear enamel hypoplasia (rLEH) is often observed in recent large-bodied apes from Africa and Asia as well as Mid- to Late Miocene sites from Spain to China. The ubiquity and periodicity of rLEH are not understood. Its potential as an ontogenetic marker of developmental stress in threatened species (as well...

journal_title：American journal of physical anthropology

authors： Skinner MF,Hopwood D

更新日期：2004-03-01 00:00:00

abstract：:We classified diversity in eight new complete mitochondrial genome sequences and 41 partial sequences from living Aboriginal Australians into five haplogroups. Haplogroup AuB belongs to global lineage M, and AuA, AuC, AuD, and AuE to N. Within N, we recognize subdivisions, assigning AuA to haplogroup S, AuD to haplogr...

journal_title：American journal of physical anthropology

authors： van Holst Pellekaan SM,Ingman M,Roberts-Thomson J,Harding RM

更新日期：2006-10-01 00:00:00

abstract：:Stature and the pattern of body proportions were investigated in a series of six time-successive Egyptian populations in order to investigate the biological effects on human growth of the development and intensification of agriculture, and the formation of state-level social organization. Univariate analyses of varian...

journal_title：American journal of physical anthropology

authors： Zakrzewski SR

更新日期：2003-07-01 00:00:00

abstract：:Hominid fossil teeth are analyzed in terms of size and shape and contrasted with teeth from a modern population to determine boundaries that can be placed on a reconstruction of the hominid phylogeny. Teeth alone are considered as they are the only material preserved in large enough quantities to measure population va...

journal_title：American journal of physical anthropology

authors： Read DW

更新日期：1975-01-01 00:00:00

abstract：:Field observations of bipedal posture and locomotion in wild chimpanzees (Pan troglodytes) can serve as key evidence for reconstructing the likely origins of bipedalism in the last prehominid human ancestor. This paper reports on a sample of bipedal bouts, recorded ad libitum, in wild chimpanzees in Bwindi Impenetrabl...

journal_title：American journal of physical anthropology

authors： Stanford CB

更新日期：2006-02-01 00:00:00

abstract：:Sediments in the Tugen Hills, west of Lake Baringo, Kenya, form one of the best fossiliferous successions known in Africa spanning the period from 14 my to less than 4 my. Hominoid fossils have previously been recovered from a number of localities in the region. We describe here a new hominid mandible (KNM-TH 13150) f...

journal_title：American journal of physical anthropology

authors： Ward S,Hill A

更新日期：1987-01-01 00:00:00

abstract：OBJECTIVES:Schistosome infections can damage organs important for water homeostasis, especially the kidneys. Urogenital schistosomiasis (caused by Schistosoma haematobium) increases protein and blood in urine and intestinal schistosomiasis (caused by S. mansoni) affects total body water. However, no data exist on how d...

journal_title：American journal of physical anthropology

authors： Rosinger AY,Young SL,Collins SM,Haider SR,Mishra P,Nagai HT,Petro M,Downs JA

更新日期：2018-08-01 00:00:00

abstract：:Three fundamental ontogenetic pathways lead to the development of size differences between males and females. Males and females may grow at the same rate for different durations (bimaturism), grow for the same duration at different rates, or grow at a mix of rate and duration differences. While patterns of growth and ...

journal_title：American journal of physical anthropology

authors： O'Mara MT,Gordon AD,Catlett KK,Terranova CJ,Schwartz GT

更新日期：2012-01-01 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：:This set of cross-sectional and longitudinal data from children and young adults in certain Bougainville and Solomon Islands populations undergoing rapid modernization during the period 1966-1986 reveals very different responses to essentially the same stimuli-the introduction and widespread availability of western di...

journal_title：American journal of physical anthropology

authors： Weitz CA,Friedlaender FR,Van Horn A,Friedlaender JS

更新日期：2012-11-01 00:00:00

abstract：:Fourteen morphologic crown traits were observed in a sample of 1528 Pima Indians of south-central Arizona. Pima dentitions are characterized by high frequencies of shoveling, incisor winging, the hypocone, the lower canine distal accessory ridge, cusp 6, and the protostylid. They exhibit low frequencies of the metacon...

journal_title：American journal of physical anthropology

authors： Scott GR,Potter RH,Noss JF,Dahlberg AA,Dahlberg T

更新日期：1983-05-01 00:00:00

abstract：:Variation in height and body proportions is relatively well-understood at the inter-population level, but less is known about intra-population variation. This study explores intra-population variation in body proportions among 172 (88 female; 84 male) adult rural Amazonians. We test the hypotheses that: (1) stunting i...

journal_title：American journal of physical anthropology

authors： Vercellotti G,Piperata BA

更新日期：2012-01-01 00:00:00