Published in Scientific Papers. Series D. Animal Science, Vol. LXVIII, Issue 2
Written by Zamfir MARCHIȘ, Daniel COCAN, Bogdan Alin VLAIC, Radu CONSTANTINESCU, Viorel MICLĂUȘ
Fragments of the descending abdominal aorta and its main branches were collected from 8 goats that died following accidents, for histological investigations. Verhoeff staining was used, which specifically highlights the elastic components. It was found that all the arteries taken in the study contain well-represented elastic tissue at the level of the adventitia, the least in the descending abdominal aorta and the renal artery, and the most in the external iliac arteries. We believe that these fibroelastic adventitia constitute an elastic sleeve that provides resistance and elasticity to the arteries to cope with the external demands given by the amplitude of the volume changes undergone by the organs in the abdominal cavity, which train and the vessels that serve them. They appeared as adaptive structures mainly due to the presence of prestomachs which undergo extensive and frequent changes during digestion processes.
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