Rabbit Snout Growth After Dislocation of Nasal Septum

Wexler, Manuel R.; Sarnat, Bernard G.

doi:10.1001/archotol.1965.00750050073015

Cited by 27 publications

(9 citation statements)

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“…This seems to imply that some aspect of normal nasal growth and development appears deficient and that the control mechanisms of growth may be affected as a consequence of the underlying genetic basis of this disease. A candidate for causing this defect is the forward growth of the nose as a consequence of deficient cartilaginous growth of the nasal septum (Wexler and Sarnat, 1965). Furthermore, a possible hypothesis of partial penetration of the genetic disorder could be considered for the nonsyndromic HED patients.…”

Section: Discussionmentioning

confidence: 99%

Analysis of the vertical facial form in patients with severe hypodontia

Bondarets¹,

McDonald²

2000

Am. J. Phys. Anthropol.

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We examined the lateral cephalograms of Russian patients in the following categories: control with acceptable occlusions (group 1); severe hypodontia with absence of six or more teeth (group 2); and severe hypodontia associated with hypohidrotic ectodermal dysplasia (HED) (group 3). Analysis was in a cross-sectional manner, comparing dimensions at the start of the mixed dentition phase (age 6-10) and in the permanent dentition (age 12-18). The groups were matched for age and sex. Thirty-one hard- and soft-tissue landmarks were traced, and 35 linear, 19 angular, and 7 ratioed measurements were taken and compared, using analysis of variance to compare the means of each group. A reduced anterior face height was found in groups 2 and 3 as a consequence of a reduced anterior lower face height. In group 2 in the mixed dentition, the posterior face height was also reduced. The inclination of the mandible (

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Section: Discussionmentioning

confidence: 99%

Analysis of the vertical facial form in patients with severe hypodontia

Bondarets¹,

McDonald²

2000

Am. J. Phys. Anthropol.

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“…Scott (1953 compared the growth of the nasal septum (which remains cartilaginous until the age of seven years, and is thus capable of interstitial expansion) to that of an epiphyseal plate of a long bone, forcing the midfacial skeleton away from the cranial base, in both inferior and anterior directions. The role of the nasal septum as a driving force behind growth at facial sutures has been supported by a number of researchers (Wexler and Sarnat, 1965;Sarnat and Wexler, 1966;Kremenak et al 1969;Nordgaard and Kvinnsland, 1979) who have demonstrated that damage to the nasal septum during the growth process results in statistically significant changes in facial dimensions. For example, Grymer and Bosch (1997) studied differential growth in a pair of monozygotic twins, in one of whom the nasal septum had been destroyed due to an abscess at a young age.…”

Section: Sutural Growth Of the Midfacementioning

confidence: 99%

“…Of the various soft tissues of the midface, the nasal septum has been one of the most commonly cited as influencing maxillary growth (e.g. Fick, 1857;Hilton, 1863;Scott 1953;Wexler and Sarnat, 1965;Sarnat and Wexler, 1966;Enlow, 1968;Bollert and Hendricks, 1971;Siegal, 1975;Nordgaard and Kvinnsland, 1979;Siegal, 1980;Ranly, 1988;Grymer and Bosch, 1997;Holton et al, 2011). Scott (1953 compared the growth of the nasal septum (which remains cartilaginous until the age of seven years, and is thus capable of interstitial expansion) to that of an epiphyseal plate of a long bone, forcing the midfacial skeleton away from the cranial base, in both inferior and anterior directions.…”

Section: Sutural Growth Of the Midfacementioning

confidence: 99%

A quantitative assessment of infraorbital morphology in Homo

Maddux¹

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Features of the infraorbital region, such as infraorbital surface topography, infraorbital surface orientation, and curvature of the zygomaticoalveolar crest, have long played a prominent role in phylogenetic analyses of Homo. However, there is currently considerable debate regarding the phylogenetic reliability of infraorbital characters, as numerous researchers have questioned the degree to which these features are morphologically independent of one another and facial size. These questions stem largely from methodological limitations for accurately quantifying the curvilinear morphology of the infraorbital surface and zygomaticoalveolar crest, which have significantly impeded the ability to discern patterns of infraorbital integration and allometry.In this study, infraorbital surface and zygomaticoalveolar crest morphology are precisely assessed, through geometric morphometric methodologies well-suited for quantifying complex curvilinear structures, in a large sample of recent (n = 303) and fossil (n = 71) Homo. Once quantified, measures of infraorbital surface topography, infraorbital surface orientation and zygomaticoalveolar crest curvature are further evaluated for intercorrelation and allometry in order to more fully evaluate the morphological independence of commonly cited infraorbital characters. The results of this study indicate that most aspects of infraorbital surface topography, infraorbital surface orientation and zygomaticoalveolar crest curvature are significantly correlated with facial size across Homo. Moreover, certain aspects of infraorbital shape, such the degree of infraorbital surface depression and the overall curvature of the zygomaticoalveolar crest, appear to show additional, size-independent, intercorrelations, suggesting they form an integrated "infraorbital complex." In light of these results, the use of infraorbital characters as separate independent characters in Copyright by SCOTT DAVID MADDUX 2011 All Rights Reserved Graduate College ii For Tressaiii ACKNOWLEDGMENTS There are numerous people and institutions without whose help this dissertation would not have been possible, and to whom I consequently owe a great debt of gratitude.First, I would like to thank Dr. Robert Franciscus, who has served as my advisor throughout graduate school at the University of Iowa. From the beginning he has been an enlightening teacher, conscientious mentor and trustworthy advisor, who has always given freely of his time, knowledge and resources. Without his expertise, patience and encouragement this dissertation would have been an insurmountable undertaking. It has been a truly immeasurable learning experience working in his lab, and I am grateful for having had the privilege of studying under such an exemplary paleoanthropologist.

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“…to 7 weeks of age, the inferior border of the cartilaginous nasal septum was mobilized by lifting it out of the vomerine groove and completely dislocating it laterally. 5 No tissue was resected. The postoperative survival time was 16 weeks.…”

Section: Differential Cellular Activity Of Cartilaginous Nasal Septummentioning

confidence: 99%

Normal and Abnormal Growth at the Nasoseptovomeral Region

Sarnat¹

1991

Ann Otol Rhinol Laryngol

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The purpose of this report is to review and summarize a selected series of previously reported experiments at the nasoseptovomeral region dealing with both normal growth and the effects of certain operative procedures in young and adult rabbits. The methods of study included gross and serial cephalometric radiography with radiopaque implants, histology, and autoradiography. Findings indicated that the frontonasal suture region was an active secondary site of growth unaffected by extirpation. Examples of differential sutural growth were presented. The proximal and distal regions of both the nasal bone and septum were their most active sites of growth. Extirpations of the central section of the cartilaginous nasal septum resulted in severe upper facial deformity in young but not in adult rabbits. Trauma to the nasal bone region in the young rabbit did not result in severe facial deformity as did trauma to the cartilaginous nasal septum. Another purpose of this report is to present some of the different approaches used to study the nasoseptovomeral region.

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Rabbit Snout Growth After Dislocation of Nasal Septum

Cited by 27 publications

References 1 publication

Analysis of the vertical facial form in patients with severe hypodontia

Analysis of the vertical facial form in patients with severe hypodontia

A quantitative assessment of infraorbital morphology in Homo

Normal and Abnormal Growth at the Nasoseptovomeral Region

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