The ultrastructure of the retina showed extensive and severe degeneration in the photoreceptors,parti cularly in outer segments and mitochondrias. Lipofuscin granules were accumulated in the cytoplasm.是什么意思_The ultrastructure of the retina showed extensive and severe degeneration in the photoreceptors,parti cularly in outer segments and mitochondrias. Lipofuscin granules were accumulated in the cytoplasm.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句