Ishihara A, Roy R R, Edgerton V R
Department of Physiological Science, University of California, Los Angeles 90024, USA.
Brain Res. 1996 Apr 15;716(1-2):183-6. doi: 10.1016/0006-8993(96)00011-x.
Compared to dorsal root ganglion (DRG) neurons at L5 in rats, DRG neurons at L7 in cat have a larger mean soma size, a bimodal rather than unimodal distribution of sizes and lower succinate dehydrogenase (SDH) activities for neurons of all sizes. In contrast to spinal motoneurons in both cats and rats, the larger DRG neurons have the higher SDH activities. The 10-20% higher SDH activity of DRG cells in rats than in cats may reflect, in part, a species difference of about 40% in metabolic rates.
与大鼠L5背根神经节（DRG）神经元相比，猫L7的DRG神经元具有更大的平均胞体大小、双峰而非单峰的大小分布，并且所有大小的神经元琥珀酸脱氢酶（SDH）活性较低。与猫和大鼠的脊髓运动神经元不同，较大的DRG神经元具有较高的SDH活性。大鼠DRG细胞的SDH活性比猫高10 - 20%，这可能部分反映了约40%的代谢率物种差异。
