Abstract
The aim of the study was to clarify specific structural features of prenatal morphogenesis of nasal region structures in human and some mammals. 75 specimens of human fetuses and embryos and 85 mammalian specimens in different periods of prenatal development were examined using a complex of morphological methods (anthropometry, morphometrics, microscopy, three-dimensional computer reconstruction and statistical analysis). Species differences of nasal region structures in studied mammals were found to be associated with the shape of the nasal cavity, the structure of secondary palate bone, the number and developmental degree of nasal cavities, paranasal sinuses. These differences are caused by nutrition features, nature of dental structure, degree of brain development, intensity of respiration and animals’ conditions of existence. In humans the lateral nasal gland is not found, however, respiratory, olfactory and maxillary glands are well-developed.
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