Isolate Variation in Greenlandic Eskimo Crania

Jb, Jørgensen; Ws, Laughlin

doi:10.1159/000150804

Cited by 32 publications

(12 citation statements)

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“…Laughlin and Jørgensen, 1956;Yamaguchi, 1967;Berry and Berry, 1967;Dodo, 1974;Ossenberg, 1976). The findings of the present study suggest that these non-metric cranial traits might be used effectively even for population studies of juveniles, such as the children of prehistoric Jomon and Yayoi in Japan.…”

Section: Comparison Of Trait Frequencies Between Children and Adultsmentioning

confidence: 66%

Two hyperostotic non-metric traits, caroticoclinoid foramen and pterygospinous foramen, which appear at an early developmental stage in the human cranium

Kawakubo

Dodo

Kuraoka

2013

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Hyperostotic non-metric traits of the human cranium are characterized by excessive ossification over the non-anomalous condition. Although hyperostotic traits are considered ageprogressive, the appearance of two hyperostotic traits, hypoglossal canal bridging and jugular foramen bridging, has been reported in fetal crania. In the present study, we show the detection of a pterygospinous foramen and two caroticoclinoid foramina in Japanese fetal crania. These findings suggest that these two types of foramen can appear at an early stage of craniofacial development. Analysis of the Spitalfields skeletal collection (London) has shown that the frequencies of both foramina in adults older than 20 years of age were slightly higher than those of children aged 0-6 years. However, statistical analyses did not show significant differences between children and adults. This suggests that these non-metric cranial traits may also be useful for anthropological population studies of juveniles.

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Section: Comparison Of Trait Frequencies Between Children and Adultsmentioning

confidence: 66%

Two hyperostotic non-metric traits, caroticoclinoid foramen and pterygospinous foramen, which appear at an early developmental stage in the human cranium

Kawakubo

Dodo

Kuraoka

2013

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“…However, as emphasized above, a valid baseline characterizing 'pure' Eskimos could hardly be obtained from Angmagssaliks alone. This 'terminal isolate' represents the outermost, eastern Eskimo community of the long chain from Alaska to Greenland [21,22], The slightly larger anterior chambers and higher stature of Angmagssalik Eskimos probably reflect their different historical background which has to a large extent favoured 'founder effects', genetic drift and possibly microcvolutionary variations.…”

Section: Discussionmentioning

confidence: 99%

Anterior Chamber of the Eye

Alsbirk¹

1975

Hum Hered

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During a population survey in Eskimos family resemblance with respect to anterior chamber depth (ACD) was studied. Heritability estimates of about 0.7 against a marital correlation of zero were obtained. No correlation between ACD and parity, but a significant correlation with stature was found which possibly accounts for the sex difference in ACD. Significant associations between ACD, iris colour, facial appearance, and corneal diameter were observed. West Greenlanders with a predominantly Eskimoan physiognomy showed smaller anterior chambers than unmixed East Greenland Eskimos and Eskimo-Caucasian hybrids.

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“…Gene flow, then, is central in this sort of investigation, and its rationale is likely to be in terms of mutation, selection, hybridization, and random genetic drift. Milestones in this rapidly increasing literature are works by Birdsell (1950,1953), Laughlin and J$rgensen (1956), Nee1 (1958), and especially Hiernaux (1956).…”

Section: Taxonomy and Microevolution In Manmentioning

confidence: 99%

Anthropometry, Genetics and Racial History

Hunt¹

1959

American Anthropologist

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Isolate Variation in Greenlandic Eskimo Crania

Cited by 32 publications

References 0 publications

Two hyperostotic non-metric traits, caroticoclinoid foramen and pterygospinous foramen, which appear at an early developmental stage in the human cranium

Two hyperostotic non-metric traits, caroticoclinoid foramen and pterygospinous foramen, which appear at an early developmental stage in the human cranium

Anterior Chamber of the Eye

Anthropometry, Genetics and Racial History

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