Cortical microtubules were observed in intraepidermal cells of onion bulb with a thin section and negative staining of protoplasts.
洋葱鳞茎表皮细胞内可见皮层微管,呈薄片状,原生质体染色阴性。
The histology and negative staining for S100 are not consistent with schwannoma or neurofibroma.
组织学图像和S100的阴性又不支持神经鞘瘤和神经纤维瘤。
Under negative staining electron microscopy, the keratin was a filament with a diameter of 80-100A.
用电镜负染技术观察角蛋白细丝并测定其直径为80~100A。
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