发现神经节细胞具有植物性神经元的特点。
Under clectron microscope the nerve ganglia cells show the feature of autonomic neurons.
动物性极：与包含细胞核和多数细胞质的植物性极相对的卵的部分。
Animal pole: the portion of an egg opposite the vegetal pole that contains the nucleus and MOST of the cytoplasm.
动物性极：与包含细胞核和多数细胞质的植物性极相对的卵的部分。
Animal pole: the portion of an egg opposite the vegetal pole that contains the nucleus and MOST of the cytoplasm.
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