منابع مشابه
Primate Models for Australopithecine Sexual Dimorphism
Several different models of sexual dimorphism in the South African australopithecines are compared with sexual dimorphism in the living primates. Australopithecine dimorphism is placed in an evolutionary context, and contrasting trends in the hominid and pongid lineages are shown. Evidence suggesting that the australopithecines were an extremely polytypic taxon is presented, and a high level of...
متن کاملA reanalysis of the South African australopithecine natural endocasts.
Sulcal patterns of six previously available South African australopithecine natural endocasts are reexamined and compared to sulcal patterns of 17 human, 12 gorilla and six chimpanzee brains. In addition, a seventh natural endocast, from STS 58, is described for the first time and compared to an artificial endocast from the same specimen. Using the Taung endocast as a focal point, it is shown t...
متن کاملTransmigration of Mandibular Canines
The purpose of this paper is to present the first case of unusual reverse oblique (110 degrees to midsagittal plane) migration of mandibular right canine crossing the jaw midline and piercing the lower border of the mandible at the level of the opposite canine and also to report two more cases of transmigrated mandibular canine and one case of transmigrating mandibular canine. Mandibular canine...
متن کاملImpacted Mandibular Canines
Methods and Materials: This is a retrospective cohort study of 5022 panoramic radiographs taken of patients who presented to the Oral and Maxillofacial Surgery Service of the Faculty of Dentistry at Ataturk University in Erzurum, Turkey between January, 1998 and March, 2006. The panoramic radiographs and clinical data were reviewed. Observations were made on the status of missing permanent mand...
متن کاملEarly treatment of palatally erupting maxillary canines by extraction of the primary canines.
Early treatment of palatally erupting maxillary canines by extraction of the primary canines Sune Ericson and Juri Kurol 283 Histologic reactions in gingival and alveolar tissues during tooth movement in rabbits 309 An experimental investigation into the effect of dimensional change on the stiffness of double vertical incisor alignment loops I. D. Brown 319 Long-term results of orthodontic trea...
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ژورنال
عنوان ژورنال: Nature
سال: 1953
ISSN: 0028-0836,1476-4687
DOI: 10.1038/172251a0