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OJVRTM

Online Journal of Veterinary Research

 

Volume 26 (7): 529-536, 2022.


Changes by age and gender on histology of tunica media layer of brachiocephalic artery in pigeons.

 

Farhad Rahmanifar1, Seyedeh Leili Asadi-Yousefabad2, Maryam Sharafi3, Arash Alaeddini4, Sajad Daneshi2

 

1Department of Basic Sciences, School of Veterinary Medicine, Shiraz University, 2Young Researchers and Elite Club, Yasuj Branch, Islamic Azad University, Yasuj, 3Department of Statistics, School of Sciences, Shiraz University, 4Department of Clinical Studies, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

 

ABSTRACT

 

Rahmanifar F, Asadi-Yousefabad SL, Sharafi M, Alaeddini A, Daneshi S., Changes by age and gender on histology of tunica media layer of brachiocephalic artery in pigeons., Onl J Vet Res., 26 (7): 529-536, 2022. In birds, the brachiocephalic artery is a 2nd branch of aorta which gives rise to common carotid and subclavian arteries. We describe segmental structural characteristics of tunica media of brachiocephalic arteries wall of groups of 6 pigeons each sacrificed at 20, 50 and 120 days in male and female birds. Brachiocephalic sections were stained with hematoxylin, eosin and orcein stain for elastic layers. We found that in 20 day old male pigeons had more elastic layers in right brachiocephalic wall compared with 120 day old birds (P < 0.05) and at day 120 more than day 50 (P < 0.05). In females we found no differences. We found no differences in left side between genders at days 20 and 50 but females had more layers on both sides at day 120 (P<0.05). In males the decrease in elastic layers in right side occurs from day 20 to day 50, but increases at day 120. So, most elastic layers occurred at day 20. The large number of elastic layers and differences could be related with changes in flight patterns.

 

Key words: Brachiocephalic artery, Elastic layers, Vasa vasorum, Pigeon


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