MORPHOLOGICAL FEATURES OF THE RAT STELLATE GANGLION DURING EARLY POSTNATAL DEVELOPMENT

M B Korzina; A A Korobkin; O A Vasil'eva; P M Maslyukov; M B Korzina; A A Korobkin; O A Vasilyeva; P M Masliukov

doi:10.17816/morph.399327

Morphology ›› 2010, Vol. 137 ›› Issue (2) : 23 -26. DOI: 10.17816/morph.399327

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MORPHOLOGICAL FEATURES OF THE RAT STELLATE GANGLION DURING EARLY POSTNATAL DEVELOPMENT

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Abstract

The aim of this work was to study the anatomical characteristics of the stellate ganglion (SG) and the morphometric characteristics of its neurons in rats of different age groups (newborn, 10-, 20-, 30-, 60- and 180-day-old) using anatomical and histological methods. The results obtained indicated that in rats since birth there were three variants of branch origin from the medial margin of SG. No differences were observed in these variants between right and left SG. The sizes of both SG and its neurons increased during the first two months of postnatal development. The density of neurons in SG sections decreased from the moment of birth until the six months of age. The number of SG neurons did not change significantly in the postnatal ontogenesis. Thus, SG in rats is anatomically formed by the moment of birth, while the sizes and morphometric characteristics of SG neurons become finally stabilized by the second month of age.

Keywords

stellate ganglion / branches / neurons / age changes / rat

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M B Korzina, A A Korobkin, O A Vasil'eva, P M Maslyukov, M B Korzina, A A Korobkin, O A Vasilyeva, P M Masliukov. MORPHOLOGICAL FEATURES OF THE RAT STELLATE GANGLION DURING EARLY POSTNATAL DEVELOPMENT. Morphology, 2010, 137(2): 23-26 DOI:10.17816/morph.399327

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