Interbirth intervals in wild baboons: Environmental predictors and hormonal correlates.

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：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：:In comparing long-bone cross-sectional geometric properties between individuals, percentages of bone length are often used to identify equivalent locations along the diaphysis. In fragmentary specimens where bone lengths cannot be measured, however, these locations must be estimated more indirectly. In this study, we ...

journal_title：American journal of physical anthropology

authors： Sládek V,Berner M,Galeta P,Friedl L,Kudrnová S

更新日期：2010-02-01 00:00:00

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：:Dental microwear researchers consider exogenous grit or dust to be an important cause of microscopic wear on primate teeth. No study to date has examined the accumulation of such abrasives on foods eaten by primates in the forest. This investigation introduces a method to collect dust at various heights in the canopy....

journal_title：American journal of physical anthropology

authors： Ungar PS,Teaford MF,Glander KE,Pastor RF

更新日期：1995-06-01 00:00:00

abstract：:New World monkeys vary considerably in the manner and degree to which they use their tails. There ought to arise a corresponding variation in the stresses on caudal vertebrae. Consequently, different behavior types will have contrasting caudal morphologies. This study investigates caudal morphology of several New Worl...

journal_title：American journal of physical anthropology

authors： German RZ

更新日期：1982-08-01 00:00:00

abstract：:Information about primate genomes has re-emphasized the importance of the great apes (Pan, Gorilla, and Pongo) as, for most purposes, the appropriate comparators when generating hypotheses about the most recent common ancestor of the hominins and panins, or the most recent common ancestor of the hominin clade. Great a...

journal_title：American journal of physical anthropology

authors： Gordon AD,Marcus E,Wood B

更新日期：2013-12-01 00:00:00

abstract：OBJECTIVES:The present study aimed at investigating the timing of birth across the day in a rural population of indigenous and nonindigenous women in the province of Formosa, Argentina in order to explore the variation in patterns in a non-Western setting. MATERIALS AND METHODS:This study utilized birth record data tr...

journal_title：American journal of physical anthropology

authors： Chaney C,Goetz LG,Valeggia C

更新日期：2018-08-01 00:00:00

abstract：:An investigation of body height and cephalic measurements was performed among five groups of first-year medical students of the University of Rijeka School of Medicine (Rijeka, Croatia). Body height and different cephalic measurements showed normal distribution, both in male and female students. Differences between me...

journal_title：American journal of physical anthropology

authors： Buretić-Tomljanović A,Ristić S,Brajenović-Milić B,Ostojić S,Gombac E,Kapović M

更新日期：2004-01-01 00:00:00

abstract：:A histological aging study of femoral midshafts in a late Roman period sample from the Dakhleh Oasis, Egypt, showed discrete fluorochrome labelling. The fluorochrome is yellow-green in colour and fluoresces at a wavelength of 525 nm. The labelling occurs at the mineralization fronts and is so distinct that several his...

journal_title：American journal of physical anthropology

authors： Cook M,Molto E,Anderson C

更新日期：1989-10-01 00:00:00

abstract：:Bilateral correlations are higher and bilateral variances within individuals smaller in the samples of inbred individuals than in matched control groups of the same sex for pattern intensities on fingers in four series of data and also for pattern intensities on palms, toes, and soles and the palmer main line indices ...

journal_title：American journal of physical anthropology

authors： Mukherjee A

更新日期：1990-01-01 00:00:00

abstract：:A previous study of passive joint mobility in patas monkeys (Erythrocebus patas) showed that laboratory-caged animals had significantly greater mobility in most joints than age/sex matched free-ranging monkeys. Passive joint mobility on 27 of the same animals was measured 6 months after the caged animals were released...

journal_title：American journal of physical anthropology

authors： Turnquist JE

更新日期：1985-05-01 00:00:00

abstract：:Studying the current distribution of genetic diversity in humans has important implications for our understanding of the history of our species. We analyzed a set of linked STR and SNP loci from the paternally inherited Y chromosome to infer the past demography of 55 African and Eurasian populations, using both the pa...

journal_title：American journal of physical anthropology

authors： Aimé C,Heyer E,Austerlitz F

更新日期：2015-06-01 00:00:00

abstract：:Lack of independence of data points or the pooling fallacy has been suggested as a potential problem in the study of handedness in nonhuman primates, particularly as it relates to whether hand use responses should be recorded as individual events or bouts of activity. Here, I argue that there is no evidence that the c...

journal_title：American journal of physical anthropology

authors： Hopkins WD

更新日期：2013-05-01 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：: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：:The crown morphology of 202 dental casts from living Lengua Indians is described and compared with other Amerind, Melanesian, and Caucasoid samples. The Lengua dentition shows a high Mongoloid component with little effects of possible European admixture, thus supporting the theory that despite early Franciscan and Jes...

journal_title：American journal of physical anthropology

authors： Kieser JA,Preston CB

更新日期：1981-08-01 00:00:00

abstract：:The reproductive cycles of 23 captive olive baboons were studied over two successive parturitions. Interbirth intervals of 450 days were reduced by 60% in comparison to wild baboons, and consisted of 145 days of postpartum amenorrhea, 3.5 cycles, and a gestation of 185 days. Dominance rank was found to be one signific...

journal_title：American journal of physical anthropology

authors： Garcia C,Lee PC,Rosetta L

更新日期：2006-09-01 00:00:00

abstract：:A new brain endocast of Homo erectus from Hulu Cave, Tangshan, Nanjing is described and compared with a broad sample of endocasts of H. erectus, Neanderthals, and recent modern humans. The Nanjing 1 endocast is reconstructed based on two portions of endocranial casts taken from the original fossil fragments. The fossi...

journal_title：American journal of physical anthropology

authors： Wu X,Holloway RL,Schepartz LA,Xing S

更新日期：2011-07-01 00:00:00

abstract：:We evaluate the hardness of foods consumed by sympatric Cercopithecus ascanius (redtail guenons) and Lophocebus albigena (grey-cheeked mangabeys), and consider how selection might operate to influence foraging adaptations. Since L. albigena has among the thickest dental enamel in extant primates and is commonly referr...

journal_title：American journal of physical anthropology

authors： Lambert JE,Chapman CA,Wrangham RW,Conklin-Brittain NL

更新日期：2004-12-01 00:00:00

abstract：:Many studies involve comparison of measures of sexual dimorphism between two samples. This comparison is used to test a variety of hypotheses, such as changing environmental conditions. Methods for testing the significance of the difference between two populations tend to be complex, and/or require access to complete ...

journal_title：American journal of physical anthropology

authors： Relethford JH,Hodges DC

更新日期：1985-01-01 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：:We analysed the frequency of six Y-specific polymorphisms in 105 Amerindian males from seven different populations, 42 Caucasian males, and a small number of males of African, Chinese, and Melanesian origin. The combination of three of the six polymorphisms studied produced four different Y-haplogroups. The haplogroup...

journal_title：American journal of physical anthropology

authors： Bianchi NO,Bailliet G,Bravi CM,Carnese RF,Rothhammer F,Martínez-Marignac VL,Pena SD

更新日期：1997-01-01 00:00:00

abstract：OBJECTIVES:Riparian or gallery forests are critical habitats for numerous plants and animals today. Paleoanthropologically, reliance on such habitats informs behavioral and ecological reconstructions; for example, gallery forest habitats likely played a critical role in the transition from ape to hominin in the early P...

journal_title：American journal of physical anthropology

authors： Hamilton M,Nelson SV,Fernandez DP,Hunt KD

更新日期：2019-12-01 00:00:00

abstract：:Bilateral tooth measurements in twins are partitioned into three orthogonal contrasts, each associated with one degree of freedom, to estimate three parameters: discordance, asymmetry, and mirror imagery. The probability levels of the within-pair variance ratios were used to test for significance of these estimates. T...

journal_title：American journal of physical anthropology

authors： Potter RH,Nance WE

更新日期：1976-05-01 00:00:00

abstract：:Body proportions and tissue composition (e.g., relative contributions of muscle, skin, bone, and adipose to total body mass) were determined through dissection of four adult captive lowland gorillas. The relative contribution of bone varies little among the four animals (10.2-13.4%) despite considerable range in body ...

journal_title：American journal of physical anthropology

authors： Zihlman AL,McFarland RK

更新日期：2000-09-01 00:00:00

abstract：:Age-dependent cortical bone loss in adult females from a skeletal assemblage from 3rd-4th century AD England was studied using metacarpal radiogrammetry. Results showed reduced peak cortical bone thickness compared with modern subjects, and the magnitude of cortical bone loss in older females compared with their young...

journal_title：American journal of physical anthropology

authors： Mays SA

更新日期：2006-04-01 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：:This paper presents a comprehensive empirical analysis of the factors affecting growth and psychological development of over 100 infants from birth to age 6 months in the Embu region of Kenya. The analysis was divided into four parts. First, infants' birth weight, and length and head circumference as measured few days...

journal_title：American journal of physical anthropology

authors： Bhargava A

更新日期：2000-01-01 00:00:00

abstract：:Although previous studies have characterized the genetic structure of populations from Haiti and Jamaica using classical and autosomal STR polymorphisms, the patrilineal influences that are present in these countries have yet to be explored. To address this lacuna, the current study aims to investigate, for the first ...

journal_title：American journal of physical anthropology

authors： Simms TM,Wright MR,Hernandez M,Perez OA,Ramirez EC,Martinez E,Herrera RJ

更新日期：2012-08-01 00:00:00