Abstract
This paper dwells on the histological structure and karyometric parameters of the adrenal medulla of non-pregnant maral does throughout the year. It was found that in autumn the synthetic activity of norepinephrine-producing cells in non-pregnant maral does is the lowest in relation to other seasons of the year. Having compared our results with the literature data, we identified sex-related differences in the activity of glandular cells of the adrenal medulla, which indicates different mechanisms of metabolic regulation in bucks and does during spring (period of active horn growth in bucks) and different levels of stress in autumn (period of sexual reproduction).
Highlights
CHANGES IN THE ADRENAL MEDULLA OF MARAL DOES DURING THE YEAR = ИЗМЕНЕНИЯ СТРУКТУРЫ МОЗГОВОГО ВЕЩЕСТВА НАДПОЧЕЧНЫХ ЖЕЛЕЗ
Biological characteristics of animals are linked with the dynamics of hormonal activity and allow them to adapt to environmental conditions
Changes in the Adrenal Medulla of Maral Does During the Year (Note) = Изменения структуры мозгового вещества надпочечных желез самок марала в течение года // Журн. мед.-биол. исследований. 2022
Summary
Changes in the Adrenal Medulla of Maral Does During the Year (Note) = Изменения структуры мозгового вещества надпочечных желез самок марала в течение года (краткое сообщение) // Журн. The dynamics of structural changes in the adrenal medulla of maral does and bucks differ. The obtained data indicate that the early response to cold described for many species of mammals is not typical of marals, which is expressed in an increase in the activity of the glandular cells of the adrenal glands, including the medulla [13]. Cells of the adrenal medulla, which indicates different mechanisms of metabolic regulation in bucks and does in spring, when maral bucks’ horns grow actively, and different degrees of stress during the autumn period of sexual reproduction.
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