他们用电子显微镜检查标本时，发现两个标本都充斥着1或2微米长的椭圆结构。
When they examined these specimens using an electron microscope, they found that both were full of oval structures one or two microns long, which they suspected were melanosomes.
组织学：以特殊的染色技术以及光学显微镜和电子显微镜检查、究组织结构的学科。
Histology: the study of the structure of tissues by means of special staining techniques combined with light and electron microcopy.
组织学：以特殊的染色技术以及光学显微镜和电子显微镜检查、研究组织结构的学科。
Histology: the study of the structure of tissues by means of special staining techniques combined with light and electron microcopy.
组织学：以特殊的染色技术以及光学显微镜和电子显微镜检查、研究组织结构的学科。
Histology: the study of the structure of tissues by means of special staining techniques combined with light and electron microcopy.
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