Response of bone and enamel formation to nutritional supplementation and morbidity among malnourished Guatemalan children.

abstract：:Twenty weanling 6-month-old male squirrel monkeys were allotted to the following treatments: 1) first control animals were killed at weaning; 2) second control animals were killed when 24 months old; and 3) malnourished animals were fed on a low-protein diet and killed at age 24 months. Lateral and vertical teleradiog...

journal_title：American journal of physical anthropology

authors： Pucciarelli HM,Dressino V,Niveiro MH

更新日期：1990-04-01 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：:During the 12th and 13th centuries thousands of people moved from Europe to the Middle East to fight, undertake pilgrimage, or settle and make a new life. The aim of this research is to investigate two populations from the Crusader kingdom of Jerusalem, by determining who was born in Europe and who came from the Middl...

journal_title：American journal of physical anthropology

authors： Mitchell PD,Millard AR

更新日期：2009-11-01 00:00:00

abstract：:Discovery of a previously unknown Bronze Age civilization (Oxus civilization) centered on the oases of Central Asia revealed the presence of large, preplanned urban centers immediately above sterile soil. Given the absence of local antecedents, the sudden appearance and proliferation of these Oxus civilization urban c...

journal_title：American journal of physical anthropology

authors： Hemphill BE

更新日期：1999-02-01 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：:Celebrations and bursts of communal joy can occur spontaneously in human communities based on mechanisms of emotional contagion. Some examples of similar collective excitement have been reported in animals when they reunite or anticipate rewards, but little is known about the processes and meaning of these multiple in...

journal_title：American journal of physical anthropology

authors： De Marco A,Cozzolino R,Dessì-Fulgheri F,Thierry B

更新日期：2011-11-01 00:00:00

abstract：OBJECTIVES:We tested whether patterns of intraspecific variation in catarrhine vertebral shape are consistent with developmental or functional predictions. Intraspecific variation was compared across column regions, morphological features, and species. Transitional regions and later ossifying morphological features wer...

journal_title：American journal of physical anthropology

authors： Shapiro LJ,Kemp AD

更新日期：2019-01-01 00:00:00

abstract：:A very limiting factor for paleoanthropological studies is the poor state of preservation of the human fossil record, where fragmentation and deformation are considered normal. Although anatomical information can still be gathered from a distorted fossil, such specimens must typically be excluded from advanced morphol...

journal_title：American journal of physical anthropology

authors： Benazzi S,Gruppioni G,Strait DS,Hublin JJ

更新日期：2014-01-01 00:00:00

abstract：:Latex rubber brain endocasts of solo I, V, VI, X, and XI crania were prepared in order to determine accurate volumes by H2O-displacement and morphological description. The new volumes are not markedly different from previous estimates that had been done by mensuration formulae. The mean volume is 1,151 ml. The endocas...

journal_title：American journal of physical anthropology

authors： Holloway RL

更新日期：1980-08-01 00:00:00

abstract：OBJECTIVES:Although the evolution of the hominin masticatory apparatus has been linked to diet and food processing, the physical connection between neurocranium and lower jaw suggests a role of encephalization in the trend of dental and mandibular reduction. Here, the hypothesis that tooth size and mandibular robustici...

journal_title：American journal of physical anthropology

authors： Veneziano A,Meloro C,Irish JD,Stringer C,Profico A,De Groote I

更新日期：2018-09-01 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：:Bone samples from a Middle Bronze Age (ca., 1600-1300 BC) site were prepared for histological analysis. Preliminary results suggested that components of bone marrow remained preserved. To verify these findings and optimize the sample preparation procedure, we conducted experiments varying the type of acid used to deca...

journal_title：American journal of physical anthropology

authors： Setzer TJ,Sundell IB,Dibbley SK,Les C

更新日期：2013-12-01 00:00:00

abstract：:Adult males in social groups often compete with other male group members for access to adult females. In some primate species, males also seek mating opportunities in neighboring social groups. Such extra-group fertilizations (EGFs) provide an additional source of variation in male fitness. This additional component o...

journal_title：American journal of physical anthropology

authors： Lawler RR

更新日期：2007-02-01 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：: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：OBJECTIVES:We present a new distance-based exponential regression approach based on published histological data to refine the objectivity, accuracy, and precision of age estimates of LEH defect formation on the anterior dentition. METHODS:Published histological data of anterior tooth crown growth for two samples (nort...

journal_title：American journal of physical anthropology

authors： Cares Henriquez A,Oxenham MF

更新日期：2019-03-01 00:00:00

abstract：:The Sterkfontein fossil site in South Africa has produced the largest concentration of early hominin fossils from a single locality. Recent reports suggest that Australopithecus from this site is found within a broad paleontological age of between 2.5-3.5 Ma (Partridge [2000] The Cenozoic of Southern Africa, Oxford: O...

journal_title：American journal of physical anthropology

authors： Berger LR,Lacruz R,De Ruiter DJ

更新日期：2002-10-01 00:00:00

abstract：:The Byzantine Empire managed a complex administrative network that controlled the mining and processing of natural resources from within its boundaries. Scholars relying upon archeological and textual evidence debate the level of imperial involvement in these ventures, particularly in the provinces. Ancient sources no...

journal_title：American journal of physical anthropology

authors： Perry MA,Coleman DS,Dettman DL,al-Shiyab AH

更新日期：2009-11-01 00:00:00

abstract：:Distinguishing human from non-human bone fragments is usually accomplished by observation of gross morphology. When macroscopic analysis is insufficient, histological approaches can be applied. Microscopic features, like plexiform bone or osteon banding, are characteristic of non-humans. In the absence of such feature...

journal_title：American journal of physical anthropology

authors： Dominguez VM,Crowder CM

更新日期：2012-09-01 00:00:00

abstract：:Blood groups in 2,935 Roms (Gypsies) of East Slovakia show the following frequencies of phenotypes and genes: A1A2BO phentopes: A1--32.91%, A2--2.42%, B--25.21%, O--30.15%, A1B--8.45%, A2B--0.85%, A1--0.2363, A2--0.0217, B--0.1929, O--0.5491. MN phenotypes: M--27.16%, MN--51.60%, N--21.23%, m--0.5297, n--0.4703. RH ph...

journal_title：American journal of physical anthropology

authors： Bernasovský I,Suchý J,Bernasovská K,Vargová T

更新日期：1976-09-01 00:00:00

abstract：:Estimations of age from tooth formation standards for a large (n = 282) sample of subadult skeletal remains from a 19th century historic cemetery sample were analyzed. The standards of Moorrees et al. (1963a,b) for the permanent and deciduous teeth, and Anderson et al. (1976) for the formation of permanent dentition w...

journal_title：American journal of physical anthropology

authors： Saunders S,DeVito C,Herring A,Southern R,Hoppa R

更新日期：1993-10-01 00:00:00

abstract：:Pliopithecid remains from the Spanish locality of Torrent de Febulines (Late Vallesian, MN 10), consisting of right and left mandibular fragments with partial tooth rows and an isolated P(3) probably belonging to the same individual, are described and assigned to Egarapithecus narcisoi gen. et sp. nov. (Pliopithecidae...

journal_title：American journal of physical anthropology

authors： Moyà-Solà S,Köhler M,Alba DM

更新日期：2001-04-01 00:00:00

abstract：:Human skeletal robusticity is influenced by a number of factors, including habitual behavior, climate, and physique. Conflicting evidence as to the relative importance of these factors complicates our ability to interpret variation in robusticity in the past. It remains unclear how the pattern of robusticity in the sk...

journal_title：American journal of physical anthropology

authors： Stock JT

更新日期：2006-10-01 00:00:00

abstract：:Several investigators have questioned the significance of handedness as an explanation of directional forelimb asymmetries, yet little has been done to isolate other explanatory factors. In this investigation, we analyze 61 female and 76 male rhesus macaque skeletons for evidence of age- and/or sex-associated variatio...

journal_title：American journal of physical anthropology

authors： Helmkamp RC,Falk D

更新日期：1990-10-01 00:00:00

abstract：:Neanderthals and anatomically modern humans (AMHs) may have lived in close proximity in the Near East region during Middle Paleolithic times. Although functional morphological analyses suggest a marked behavioral contrast between these two human groups, new dental micro- and macro-wear studies, together with new archa...

journal_title：American journal of physical anthropology

authors： Fiorenza L,Kullmer O

更新日期：2013-09-01 00:00:00

abstract：:This study evaluates the relationship between age at death and pelvic size among adults in three prehistoric Amerindian populations. The issue is to identify if the pelvis continues to grow and remodel in adulthood, or if there is differential survivorship among adults, particularly among females, based on pelvic size...

journal_title：American journal of physical anthropology

authors： Tague RG

更新日期：1994-09-01 00:00:00

abstract：:During excavations of the Bronze Age levels at El Mirador Cave, a hole containing human remains was found. Taphonomic analysis revealed the existence of cutmarks, human toothmarks, cooking damage, and deliberate breakage in most of the remains recovered, suggesting a clear case of gastronomic cannibalism. The piled di...

journal_title：American journal of physical anthropology

authors： Cáceres I,Lozano M,Saladié P

更新日期：2007-07-01 00:00:00

abstract：:Farming is among the three most hazardous occupations in modern society and perhaps also held a similar position during the medieval period. The goal of this study was to determine if there is a significant difference in frequencies and patterns of longbone fracture trauma observed between rural and urban activity bas...

journal_title：American journal of physical anthropology

authors： Judd MA,Roberts CA

更新日期：1999-06-01 00:00:00

abstract：:Food sharing among nonkin-one of the most fascinating cooperative behaviors in humans-is not widespread in nonhuman primates. Over the past few years, a large body of work has investigated the contexts in which primates cooperate and share food with unrelated individuals. This work has successfully demonstrated that s...

journal_title：American journal of physical anthropology

authors： Dubuc C,Hughes KD,Cascio J,Santos LR

更新日期：2012-05-01 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