【摘要】 利用 1 0只北京鸭脑制成的连续切片 ,经 Nissl法染色 ,光镜观察分布于中脑室周灰质内的动眼神经核簇、滑车神经核、滑车神经副核及被盖背外侧核的形态及细胞构筑。结果表明 ,( 1 )北京鸭的动眼神经核簇由动眼神经核、E-W核及前背外侧核组成 ,前背外侧核由淡染的中、小型细胞构成 ;( 2 )滑车神经副核位于滑车神经核中段的外侧 ,核团较小 ,由密集排列、深染的中型细胞构成 ;( 3 )北京鸭存在被盖背外侧核 ,核团由散在分布、染色较深的中等大小细胞构成 ,位于第 3、4对脑神经核的外侧 ;( 4)北京鸭的动眼神经核、E-W核、滑车神经核与其他禽类的相似 ;( 5)北京鸭存在滑车下器更多还原

【Abstract】 The serial sections of ten Peking ducks′ brains stained by Nissl method were used to observe the morphology and cytoarchitecture of the nucleus nervi oculomotorii (nⅢ), nucleus Edinger Westrhal(E W), nucleus predorsolateralis(PDL), nucleus nervi trochlear(nⅣ), nucleus nervi trochlear accessorius(anⅣ), nucleus tegmenti dorsolateralis(TDL), which lie in the midbrain periaqueduct gray. The results are as follows: 1. The complexus of nucleus nervi oculomotorii of Peking duck is contained in nⅢ, E W, PDL. PDL is composed of lightly staining medium and small sized cells. 2. anⅣ is situated later to the nⅣ. It is composed of densely packing, darkly staining medium sized cells. 3. TDL exists in Peking duck′s brain. It is composed of loosely packing, darkly staining medium sized cells, and situated later to nⅢ and nⅣ. 4. nⅢ, E W, nⅣ of Peking duck′s mesencephalon are similar to ones previously observed in the other birds. 5. There is subtrochlearis organ in mesencephalon of Peking duck.更多还原