Różnice płciowe rozmiarów kości długich kończyn noworodków

Spas Pavlov

doi:10.18778/1898-6773.53.1-2.07

Authors

Spas Pavlov Department of Anatomy, Histology and Embriolog, Higher, Medical Institute "I. Pavlov", 4000 Plovdiv, Markov 9, Bulgaria.

DOI:

https://doi.org/10.18778/1898-6773.53.1-2.07

Abstract

The article deals with our knowledge of the sex dimorphism of long bones of the limbs in newborns. It presents the result of the author’s study of 1368 bones. The latter are from newborns with a body length ranging from 47 to 55 cm (all of them having a preserved umbilical cord).Sex differences are established with group comparison of the sexes through t-criterion. They are found in the different frequency of the ossifflcation centre in the head of the humerus, in the linear and angle measurements, in the proportions. Most of the differences are similar to those in adults but significatly less manifested. That explains the failure in the attempt for an individual sex diagnosis of long bones by the method of Wald’s consecutive analysis.

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