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American Philosophical Society
Post-Natal Development of the Human Outer Nose: Proceedings, American Philosophical Society (Vol. 80, No. 2)
Charles Benedict Davenport
The problems are, how are the size and form of the external nose determined; by what road does it attain its eventual proportions, how does it come to be so remarkably similar in both of identifcal twins Light on these questions was gained by measurements of fetuses, infants, and children 3 to 20 years old. The data discussed are both in masses, giving size-age curves, and in individual “longitudinal” series. The data considered consist of 5 absolute dimensions and 8 ratios. The individual curves of nasal height show an adolescent spurt correlated with that of stature, but different dimensions grow at different rates. In brothers the curves are typically parallel, in identical twins superimposed. The growths of nasal depth, width, salient, are discussed in detail. The ratios of nasal proportions often develop in complex fashion. Indeed, in the development of nasal proportions the bones and cartilages of the face seem quite plastic but, nevertheless, work toward a predestined hereditary form. Illus.
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