Abstract
BackgroundDue to the development of novel equipment for the acquisition of two‐dimensional serial images and software capable of displaying three‐dimensional (3D) images from serial images, the accurate 3D reconstruction of organs and tissues has become possible.MethodsBased on published studies, this review summarizes techniques for the 3D reconstruction of the testis cords/seminiferous tubules, with special reference to our method using serial paraffin sections and 3D visualization software.Main findingsThe testes of mice, rats, and hamsters of various ages were 3D reconstructed and species and age differences in the structures of the testis cords/seminiferous tubules were analyzed. Our method is advantageous because conventional paraffin‐embedded normal and pathological specimens may be utilized for the 3D analysis without the need for complicated and expensive equipment.ConclusionBy further decreasing the time and labor required for the procedure and adding information on molecular localization, the technique for 3D reconstruction will contribute to the elucidation of not only the structures, but also the functions of various organs, including the testis.
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