Schulz E, Schwartz A, Schober W, Holz L
J Hirnforsch. 1983;24(5):535-44.
Lesions were placed in the rat anterior thalamus (nucleus mediodorsalis and nucleus anteromedialis) known to project to the cingulate cortex (area 24). Transneuronal degeneration signs were found at the apical and basal dendritic tree of lamina V- and lamina III-pyramidal neurons in Golgi-Kopsch preparations. The lesioned animals showed significant decreases in the dendritic spine-density of apical and basal single dendritic fields of lamina V- as well as lamina III-pyramids. The results suggest that in the area 24 of the rat the thalamic afferent fibres terminate at both these pyramidal neurons. The method used allowed no decision whether the thalamic afferents terminate directly at the pyramids or if interneurons are interconnected.
将损伤置于大鼠前丘脑（背内侧核和前内侧核），已知该区域投射至扣带回皮质（24区）。在高尔基-科普希染色标本中，在V层和III层锥体神经元的顶端和基底树突上发现了跨神经元变性迹象。损伤动物的V层和III层锥体神经元顶端和基底单个树突野的树突棘密度显著降低。结果表明，在大鼠24区，丘脑传入纤维终止于这两种锥体神经元。所采用的方法无法确定丘脑传入纤维是直接终止于锥体神经元，还是中间神经元相互连接。
