摘要
应用微电泳逆行追踪技术，分别向北京鸭、麻鸭、鹅、鸡、鸽和鹌鹑脊髓的颈、胸、腰段的一侧灰质中导入辣根过氧化物酶（ＨＲＰ），系统地研究了其孤束核至脊髓传导通路和细胞构筑。结果如下：在颈髓不同节段单侧灰质导入ＨＲＰ后，６种家禽延髓的双侧孤束核内都出现了大量的标记细胞；在胸髓单侧灰质中引入ＨＲＰ者次之；在腰髓引入ＨＲＰ后标记细胞数量较少。各组的试验结果都是同侧的标记细胞数量多于对侧。研究结果说明：禽类孤束核脊髓传导通路可长距离地直接下行投射到腰部，这一传导通路呈双侧性投射而以向同侧脊髓投射占优势。
The spinal projections and cytoarchitecture of the solitary tract nuclei in Beijing duck, sheldrake, goose, chicken, pigeon and quail were studied by means of HRP retrograde transport method. The HRP was microelectrophoresed into the gray matter of cervical, thoracic, or lumbar spinal cord. The largest number of labeled neurons were observed in the bilateral nuclei of solitary tract of all fowls after introducing HRP into the cervical cord. The smallest number of labeled neurons were found after introducing the HRP into the lumbar cord. The results indicate that (1) the spinal pathways from the nuclei of the solitary tract of fowls can directly project as long as to the lumbar cord, (2) these pathways are bilateral projections, and the ispolateral pathway has the preponderance.
出处
《华中农业大学学报》
CAS
CSCD
北大核心
1997年第5期374-379,共6页
Journal of Huazhong Agricultural University
关键词
家禽
孤束核脊髓投射
辣根过氧化物酶
HRP
fowl, spinal pathway, solitary tract nucleus, horseradish peroxidase (HRP)
