Glaser E M, Van der Loos H, Gissler M
Exp Brain Res. 1979 Aug 1;36(3):411-31. doi: 10.1007/BF00238513.
In the tangential plane (parallel to the pial surface) dendrites in the primary auditory cortex (A1) of cat were found to exhibit preferentially oriented growth. This was shown by means of a computer microscope study of Golgi-Cox stained neurons as seen in 100 micrometers and 300 micrometers thick tangential sections. Two techniques were used to represent the 3-dimensional structure of dendrites: the "dendritic stick" and the "dendritic trumpet". The former dismembers a dendrite into its individual segments; the latter considers a dendrite as an entity and represents it by its centroid, its moments and the spatial dispersionof its branches. Both statistical and Fourier analyses of the data show that within the tangential plane there is a significant and consistent orientation of the dendritic sticks in a dorso-ventral direction which seems correlated with the cortical isofrequency contours observed in electrophysiological maps of the A1 region. The dendritic trumpet analyses also show a distinctly non-random vertical distribution of pyramidal cell basal dendrites but not of stellate cell dendrites.
在切向平面（平行于软脑膜表面）中，发现猫初级听觉皮层（A1）中的树突呈现出优先定向生长。这是通过对高尔基-考克斯染色神经元进行计算机显微镜研究来证明的，这些神经元可见于100微米和300微米厚的切向切片中。使用了两种技术来呈现树突的三维结构：“树突棒”和“树突喇叭”。前者将树突分解为其各个节段；后者将树突视为一个整体，并通过其质心、矩及其分支的空间离散度来表示它。对数据的统计分析和傅里叶分析均表明，在切向平面内，树突棒在背腹方向上存在显著且一致的定向，这似乎与在A1区域电生理图谱中观察到的皮质等频率轮廓相关。树突喇叭分析还表明，锥体细胞基底树突具有明显的非随机垂直分布，但星状细胞树突则不然。
