Levels of social organization and male-female bonding in the genus Papio.

abstract：:Angular and linear measurements of maxillary first molar occlusal polygons are given for young San (Bushmen), Sotho, Asiatic Indians, Whites, and Papago Indians. Angular and linear measurements are inseparably related. Much greater variation occurs in widths than in lengths. Maximum variation occurs between San and Pa...

journal_title：American journal of physical anthropology

authors： Morris DH

更新日期：1986-07-01 00:00:00

abstract：:Neo-darwinian and population genetics theory assumes that the necessary and sufficient set of conditions for all genetic, therefore evolutionary, change has been identified. Punctuationalists have assumed the opposite and cite the fossil record as evidence for change too rapid to be explained in neo-darwinian theory. ...

journal_title：American journal of physical anthropology

authors： Williams BJ

更新日期：1987-05-01 00:00:00

abstract：:Movements of forelimb joints and segments during walking in the brown lemur (Eulemur fulvus) were analyzed using cineradiography (150 frames/sec). Metric gait parameters, forelimb kinematics, and intralimb coordination are described. Calculation of contribution of segment displacements to stance propulsion shows that ...

journal_title：American journal of physical anthropology

authors： Schmidt M,Fischer MS

更新日期：2000-02-01 00:00:00

abstract：:Craniofacial variables for modern and prehistoric Japanese were subjected to multivariate analysis to test the relationships of the people of Japan with mainland Asian and Oceanic samples. The modern Japanese are tied to Koreans, Chinese, Southeast Asians, and the Yayoi rice agriculturalists who entered Japan in 300 B...

journal_title：American journal of physical anthropology

authors： Brace CL,Brace ML,Leonard WR

更新日期：1989-01-01 00:00:00

abstract：:Although degenerative joint disease is an old and exceedingly common problem, clinical investigators have not reached a consensus regarding the etiology of this disease. Comparative osteological analysis of the knee, hip, shoulder, and elbow joints of 789 individuals from four human skeletal populations (Black and Whi...

journal_title：American journal of physical anthropology

authors： Jurman RD

更新日期：1977-03-01 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：OBJECTIVES:Sex estimation in subadult skeletal remains is still considered highly problematic. The aim of this research is to test the reliability of the method of subadult sex assessment proposed by Luna and co-workers in 2017, based on the analysis of the auricular surface of the ilium. MATERIALS AND METHODS:Seven r...

journal_title：American journal of physical anthropology

authors： Marino R,Tanganelli V,Pietrobelli A,Belcastro MG

更新日期：2020-09-16 00:00:00

abstract：:A brief description of the exposed middle ear from two Swartkrans specimens demonstrates the feasibility of examining the inner auditory structures of existing fossil hominid material. These Swartkrans fossils provide the first clear view of the early hominid middle ear, and their structures appear to be morphological...

journal_title：American journal of physical anthropology

authors： Rak Y,Clarke RJ

更新日期：1979-09-01 00:00:00

abstract：:The Maresh reference data on stature and long bone lengths in a sample of healthy middle-class children from Denver, Colorado [Maresh: Am J Dis Child 66 (1943) 227-257; Maresh: Am J Dis Child 89 (1955) 725-742; Maresh: Human growth and development (1970) p 155-200], have been used extensively by biological anthropolog...

journal_title：American journal of physical anthropology

authors： Schillaci MA,Sachdev HP,Bhargava SK

更新日期：2012-03-01 00:00:00

abstract：:Human physique classification by somatotype assumes that adult humans are geometric similar to each other. However, this assumption has yet to be adequately tested in athletic and nonexercising human populations. In this study, we assessed this assumption by comparing the mass exponents associated with girth measureme...

journal_title：American journal of physical anthropology

authors： Nevill AM,Stewart AD,Olds T,Holder R

更新日期：2004-06-01 00:00:00

abstract：OBJECTIVES:Dental microwear is a promising tool to reconstruct animals' diet because it reflects the interplay between the enamel surface and the food items recently consumed. This study examines the sources of inter-individual variations in dietary habits in a free-ranging population of mandrills (Mandrillus sphinx) u...

journal_title：American journal of physical anthropology

authors： Percher AM,Merceron G,Nsi Akoue G,Galbany J,Romero A,Charpentier MJ

更新日期：2018-01-01 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：: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：:Two sequences of nucleotides are homologous if they are descended through a chain of replication from a common precursor molecule. Since organs are not copies or transcriptions of organs, the concept of morphological homology has no such simple and unambiguous definition. The theoretical vagueness of morphological hom...

journal_title：American journal of physical anthropology

authors： Cartmill M

更新日期：1994-05-01 00:00:00

abstract：:Early American crania show a different morphological pattern from the one shared by late Native Americans. Although the origin of the diachronic morphological diversity seen on the continents is still debated, the distinct morphology of early Americans is well documented and widely dispersed. This morphology has been ...

journal_title：American journal of physical anthropology

authors： Hubbe M,Harvati K,Neves W

更新日期：2011-03-01 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：:Although there is evidence for reduced fertility in Andean and Himalayan populations at higher altitudes, factors other than hypoxia may be primarily responsible. A valuable approach in the investigation of these fertility determinants is the use of salivary steroid assays. However, coca-leaf chewing--a ubiquitous pra...

journal_title：American journal of physical anthropology

authors： Vitzthum VJ,von Dornum M,Ellison PT

更新日期：1993-12-01 00:00:00

abstract：:Four skeletal series (Corinth, Greece; Gran Quivira, New Mexico; Semna South, Sudanese Nubia, and a large group from scattered sites in England) were coded for sex, jaw, tooth group, dental attrition, dental caries, site and time period. Through thec concepts of a basal level of caries and a cariosity gradient, a sing...

journal_title：American journal of physical anthropology

authors： Burns PE

更新日期：1979-11-01 00:00:00

abstract：:A suite of measurements was collected from the talus, calcaneus, navicular, and cuboid of humans from Southern China, Victorian Britain, Roman Britain, and Zulu tribes people from the Republic of South Africa. Univariate and multivariate statistical analyses of dimensions of individual foot bones revealed subtle but d...

journal_title：American journal of physical anthropology

authors： Kidd RS,Oxnard CE

更新日期：2002-02-01 00:00:00

abstract：:The energy demands of pregnancy and lactation together with the accumulation of stored fat in human females during development suggest that a critical level of fat may be required for menarche; but multivariate analyses have supported the alternative view that skeletal growth is the main factor. However, significant d...

journal_title：American journal of physical anthropology

authors： Lassek WD,Gaulin SJ

更新日期：2007-08-01 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：OBJECTIVES:Accurate age estimates are foundational for bioarchaeological research, yet the ability to accurately age older adult skeletons remains elusive. This study uses a new version of pulp/tooth area calculations to investigate chronological age of older archaeological individuals. MATERIALS AND METHODS:Pulp/toot...

journal_title：American journal of physical anthropology

authors： D'Ortenzio L,Prowse T,Inskip M,Kahlon B,Brickley M

更新日期：2018-03-01 00:00:00

abstract：:We examine the demographic correlates of paternity confidence, or men's assessment of the likelihood that they are the genetic father of a particular child. Evolutionary theory predicts that men will provide less parental investment for putative genetic offspring who are unlikely to be their actual offspring, but conf...

journal_title：American journal of physical anthropology

authors： Anderson KG,Kaplan H,Lancaster JB

更新日期：2006-12-01 00:00:00

abstract：:The adventus Saxonum is a crucial event in English protohistory. Scholars from a range of disciplines dispute the scale and demographic profile of the purported colonizing population. The 5th-7th century burial ground at West Heslerton, North Yorkshire, is one of the few Anglian cemeteries where an associated settleme...

journal_title：American journal of physical anthropology

authors： Montgomery J,Evans JA,Powlesland D,Roberts CA

更新日期：2005-02-01 00:00:00

abstract：:In this paper we develop a model that examines fertility and childhood mortality patterns and their relationship to environmental variables. Interactions among environmental variables can account for different fertility patterns and different mixes of these variables can produce similar patterns of fertility. Our mode...

journal_title：American journal of physical anthropology

authors： Pennington R,Harpending H

更新日期：1988-11-01 00:00:00

abstract：:It is unclear whether earlier age at menarche is associated with higher body mass index (BMI) because they share a common genetic underpinning. We investigated the impact of single nucleotide polymorphisms (SNPs) influencing menarche timing on peripubertal BMI. For 556 Fels Longitudinal Study children (277 boys/279 gi...

journal_title：American journal of physical anthropology

authors： Johnson W,Choh AC,Curran JE,Czerwinski SA,Bellis C,Dyer TD,Blangero J,Towne B,Demerath EW

更新日期：2013-01-01 00:00:00

abstract：:Scratches found on the Engis 2 cranium have been described as perimortem and interpreted as intentional scalping marks by Russell and LeMort (Am. J. Phys. Anthropol. 69:317-323, 1986). These marks are described and compared to damage on other fossil hominids. The Engis marks have been misinterpreted. These marks are s...

journal_title：American journal of physical anthropology

authors： White TD,Toth N

更新日期：1989-03-01 00:00:00

abstract：:There are numerous structural defects that occur in primate teeth due to variable calcification during certain growth stages. These interruptions are usually areas of hypomineralization in enamel and dentin which are referred to as Striae of Retzius and Hunter Shreger bands in the enamel or Incremental Lines of von Eb...

journal_title：American journal of physical anthropology

authors： Molnar S,Ward SC

更新日期：1975-07-01 00:00:00

abstract：:It has been suggested that bone and dental strontium contents of extinct terrestrial vertebrates vary in direct proportion to the strontium levels present in the animals' diets. It has been hypothesized that these trace quantities decrease as one moves upward along the food chain--herbivores having more strontium than...

journal_title：American journal of physical anthropology

authors： Elias M

更新日期：1980-07-01 00:00:00

abstract：OBJECTIVES:African American populations in the U.S. formed primarily by mating between Africans and Europeans over the last 500 years. To date, studies of admixture have focused on either a one-time admixture event or continuous input into the African American population from Europeans only. Our goal is to gain a bette...

journal_title：American journal of physical anthropology

authors： Gross JM

更新日期：2018-02-01 00:00:00