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Study of the histological structure of Hardin's glands in Khalkhali goats | ||
| Avicenna Veterinary Research | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 01 دی 1404 | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22084/avr.2025.32030.1027 | ||
| نویسندگان | ||
| Azin Beiranvand* 1؛ Ali Kalantari-Hesari2؛ Mohammad Babaei2 | ||
| 1Department of Histology, Faculty of veterinary Medicine, University of Tabriz, Iran | ||
| 2Department of Basic Sciences, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, Iran. | ||
| چکیده | ||
| The Khalkhali goat is a black dairy breed found in the Azerbaijan region. The Harderian gland is only found in some species. These glands secrete an oily substance rich in porphyrin that facilitates the movement of the eyelids over the eye and creates an immune response. So far, no study has been conducted on the histological structure of the Hardin glands in the eyes of Khalkhali goats. In this study, 4-goats slaughtered at the Zanjan slaughterhouse were used. After, the heads of the goats were separated from the trunk and the eyelids along with the Hardin glands were separated from the skull bone. The samples were placed in 10% formalin. The sample was fixated and entered the tissue passage and after preparing paraffin blocks, 5-μm thick sections were prepared and stained using the hematoxylin-eosin method. Histological examination showed that this gland in the Khalkhali goat is covered from all sides by a capsule of tissue. Blades of the capsule enter the parenchyma of the gland and divide it into lobules. The lobules of this gland include serous, mucous, and seromucous secretory units, and the secretions of these units are collected by intralobular ducts. It can be concluded that the Harderian gland in the Khalkhali goat breed was similar to the Harderian glands of the alpaca in terms of the type of secretions of the acini units and in terms of the interlobular and extralobular ducts, it was very similar to the existing reports on cattle, other goat breeds, and sheep. | ||
| کلیدواژهها | ||
| Harderian glands؛ Goat؛ Histology؛ Azerbaijan | ||
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