Caption: Neuron cell body with large nucleus / nucleolus and numerous mitochondria (central nervous system). Note the surrounding neuropil with myelinated axons (dark outlines).
Magnification*: x560
Type: TEM
Keywords: 160B.TIF neuron nerve cell nucleus nucleolus myelin axon myelinated CNS central nervous system neuropil TEM |*(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)

neuron神经元：神经系统内各种传导的细胞；典型的神经元有一细胞体，内含细胞核和其周围的细胞浆(核周体)，有若干短的放射状突起(树突)，以及一支长突起(轴突)，后者末端为细小分支(终树突)，并在其行程中发出一些小支(侧支)。轴突与其包鞘构成神经纤维。
CNS：central nervous system中枢神经系统