Analysis of triquetral-lunate fusion

Fusion of the centers of the triquetral and lunate (the os lunato‐triquetrum) was observed in 1.6% of 7,543 subjects primarily of African origin as compared with 0.1% of 11,663 persons of European origin. The fusion was twice as common in females as in males, multifactorial inheritance was suggested...

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Bibliographic Details
Published in:American journal of physical anthropology 1971-05, Vol.34 (3), p.431-433
Main Authors: Garn, Stanley M., Frisancho, A. Roberto, Poznanski, Andrew K., Schweitzer, Judy, McCann, Mary B.
Format: Article
Language:English
Subjects:
Africa, Western
African Continental Ancestry Group
Bone Diseases - diagnostic imaging
Carpal Bones - anatomy & histology
Carpal Bones - diagnostic imaging
Continental Population Groups
Europe
Female
Humans
Indians, North American
Male
North America
Puerto Rico
Radiography
Sex Factors
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Summary:Fusion of the centers of the triquetral and lunate (the os lunato‐triquetrum) was observed in 1.6% of 7,543 subjects primarily of African origin as compared with 0.1% of 11,663 persons of European origin. The fusion was twice as common in females as in males, multifactorial inheritance was suggested in the lineages studied, and a possible selective disadvantage was postulated after comparison with West African fusion frequencies.
ISSN:0002-9483
1096-8644
DOI:10.1002/ajpa.1330340313