Gross investigation and histological structure of abdominal aorta in local rabbits (Oryctylagus conniculus)

Maha Abdul-Hadi Abdul-Rida --- Nabeel Abd Murad --- Saffia Kareem Alumare

Al-Qadisiyah Journal of Veterinary Medicine Sciences مجلة القادسية لعلوم الطب البيطري
ISSN: 18185746 23134429 Year: 2017 Volume: 16 Issue: 2 Pages: 77-84
Publisher: Al-Qadisiyah University جامعة القادسية


In the current study, fifteen rabbits from both sexes have been used to identify the anatomical and histological structure of abdominal aorta. Ten rabbits used for anatomical study. The celiac artery was a first branch of the abdominal aorta (A.A.) and then followed by the cranial mesenteric artery, right and left renal arteries, lumbar artery, caudal mesenteric artery and finally, it gives off two common iliac trunks. The splenic artery was the larger branch of the celiac artery and the cranial mesenteric artery was the greater branches of A.A. of rabbits. The lumber branches were very clear and a raised from the ventral aspect of A.A. There were numerous of jujenal arteries arises from a cranial mesenteric artery and the testicular or ovarian arteries sometimes originated above or below caudal mesenteric artery. Five rabbits used for a histological study of the abdominal aorta of three regions at the (celiac artery. renal artery. and common iliac artery). The abdominal aorta has consisted of three layers from internal to external tunica intima, T. media, and T. adventitia. The intima consists of a single layer of endothelial cells and it's the thinnest layer while T. media composed of numerous elastic laminae in a circular arrangement and it's the thickest layer finally T. adventitia was the outermost layer consist of smooth muscle fibers, collagen fibers, few elastic fibers, and vasa vasorum. The aim of this study to exposure the normal appearance of abdominal aorta by used the using corrosion cast & latex techniques and histological studies.