摘要
了解渔游蛇的脑及脑神经。方法解剖整体和观察蛇头标本。结果其形态特点与乌稍蛇相似,但副神经已与迷走神经分开并单独出颅,出颅后进入第一脊神经,然后进入脑颈干。
bjective To study the morphological chracteristics of the brain and cranial nerves of Xenochrophis piscator. Methods A natomical disections of the whole body of Xenochrophis piscator areperformed, and the exposed brains are obesrved. Results The morphological characteristics of the brain and cranial nerves of Xenochrophis piscator are rather similar to those of Zaocys. But, the accessory nerve of Xenochrophis piscator is seperated from the vagus nerve, and after passing singly the cranium, it joins the first spinal nerve and then enters the craniocervical trunk.
出处
《蛇志》
1997年第4期24-28,共5页
Journal of Snake
关键词
爬行动物
比较解剖
渔游蛇
脑
脑神经
Reptile, comparative anatomy,nreves of snake, Xenochrophis piscator