von Bartheld C S, Lindörfer H W, Meyer D L
Department of Anatomy, School of Medicine, University of Göttingen, Federal Republic of Germany.
Cell Tissue Res. 1987 Nov;250(2):431-4. doi: 10.1007/BF00219088.
The terminal nerve has been described in all vertebrate classes, with the exception of cyclostomes and birds. With regard to this question, we have examined representatives of these two classes using tracer techniques, and found a terminal nerve in larval lampreys and young domestic mallards. Horseradish peroxidase or cobaltous lysine was injected into the olfactory mucosa, which is known to be innervated by peripheral branches of the terminal nerve. The brains were then searched for labeled, centrally directed fibers of the terminal nerve that project further caudally than the glomerular layer of the olfactory bulb. In larval lampreys, centrally projecting fibers of the terminal nerve were found in the tel-, di- and mesencephalon. Termination of labeled fibers was observed in the hypothalamus. Some fibers of the terminal nerve cross to the contralateral side via the commissure of the posterior tuberculum. In young ducks, the terminal nerve projects ipsilaterally along the medial edge of the telencephalon.
除圆口纲动物和鸟类外，在所有脊椎动物类别中均已描述过终神经。关于这个问题，我们使用示踪技术研究了这两类动物的代表，在七鳃鳗幼体和家鸭幼雏中发现了终神经。将辣根过氧化物酶或赖氨酸钴注入已知由终神经外周分支支配的嗅黏膜。然后在大脑中寻找终神经标记的、向中枢方向投射且比嗅球肾小球层更向尾侧延伸的纤维。在七鳃鳗幼体中，终神经的中枢投射纤维见于端脑、间脑和中脑。在丘脑中观察到标记纤维的终止。一些终神经纤维通过后结节连合交叉至对侧。在幼鸭中，终神经沿端脑内侧边缘同侧投射。
