Artifacts in Electron Microscopic Research

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Letter to the Editor

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The early work of Johnson (1983) had described the structure of pineal gland in rat using both light and electron microscopy tools. Unfortunately, the recent study of Kopáni et al. (2019) did not present any good description of pineal gland and the quality of the results is much less than the quality of the early work 40 years ago. Electron microscopic research is very useful in morphological sciences - in histology, histopathology, cytology or embryology. However, it is also a methodically demanding approach, which requires not only the experienced laboratory staff, but also highly erudite experts who are able to correctly interpret the ultrastructural findings.

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