UDC

636.294:611.45

DOI

10.37482/2687-1491-Z117

Authors

Ol’ga G. Gribanova* ORCID: https://orcid.org/0000-0002-9448-9753
Ol’ga O. Mikheeva* ORCID: https://orcid.org/0000-0001-8475-8481
Marina V. Goryacheva* ORCID: https://orcid.org/0000-0002-7139-5332
Nina D. Ovcharenko** ORCID: https://orcid.org/0000-0003-4100-2814
*Altai State Medical University (Barnaul, Altai Krai, Russian Federation)
**Altai State University (Barnaul, Altai Krai, Russian Federation)
Corresponding author: Ol’ga Gribanova, address: prosp. Lenina 40, Barnaul, 656038, Altayskiy kray, Russian Federation; e-mail: gri-o-g@mail.ru

Abstract

The paper studies the histological structure of the adrenal cortex in non-pregnant sexually mature maral does in different seasons of the year (exemplified by animals living on the free-range farms of the Altai Republic). The greatest thickness of the adrenal cortex is observed during winter. The minimum thickness of the zona glomerulosa is typical of summer, while in autumn the cell size increases significantly. The zona fasciculata expands during winter, reaching minimum dimensions in spring. The minimum thickness of the zona reticularis is identified in winter; its cells and nuclei decrease statistically significantly in size during this season compared to autumn.

Keywords

adrenal cortex, zona glomerulosa, zona fasciculata, zona reticularis, morphometry, seasonal changes, maral does

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