Graziotti Guillermo Horacio, Rodríguez Menéndez José Manuel, Victorica Carlos Lisandro, Fux Solveyra Gustavo Fabián, Ríos Clara María
Area of Anatomy, Department of Physiology and Basic Sciences, Faculty of Veterinary Sciences, Buenos Aires University, Av. Chorroarín 280, Cap. Federal 1427, Argentina.
Ann Anat. 2003 Oct;185(5):461-3. doi: 10.1016/s0940-9602(03)80107-3.
The aim of this research was to determine the origins of the parietal and visceral branches of the internal iliac artery of the llama and to match those with the known types and classifications in the human being and domestic animals. The internal iliac artery divides at the level of the third sacral vertebra into the caudal gluteal and internal pudendal arteries corresponding to an intermediate long iliac type. It gives off the following collateral branches: umbilical, cranial gluteal, obturator and iliolumbar arteries. The intrapelvic visceral branches, vaginal or prostatic arteries, arise from the internal pudendal artery as occurs in carnivores. This is an important difference in relation to the distribution in characteristic long iliac and artiodactyla types. The origins of the parietal and visceral branches of internal iliac artery in the llama have characteristics in common with the domestic cat, which belongs to the carnivores. In relation to the Adachi classification, the internal iliac artery of the llama will be included in the IVa type. We believe that this study is a contribution of a new aspect in teaching and research in comparative anatomy.
本研究的目的是确定美洲驼髂内动脉壁支和脏支的起源，并将其与人类和家畜已知的类型及分类进行匹配。髂内动脉在第三骶椎水平分为臀后动脉和阴部内动脉，对应中间长髂型。它发出以下侧支：脐动脉、臀前动脉、闭孔动脉和髂腰动脉。盆腔内的脏支，即阴道动脉或前列腺动脉，如在食肉动物中一样，起源于阴部内动脉。这与典型的长髂型和偶蹄目类型的分布存在重要差异。美洲驼髂内动脉壁支和脏支的起源与属于食肉动物的家猫有共同特征。关于安达奇分类，美洲驼的髂内动脉将被归入IVa型。我们认为这项研究为比较解剖学的教学和研究贡献了一个新的方面。
