Sergio O Ioshii

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During spermiogenesis, the shape of the spermatid nucleus, which is spherical, changes and it becomes the sperm head. A microtubular structure called a manchette is thought to be involved in this morphogenetic process. In this report, we demonstrate the localization of cytoplasmic dynein and manchette development by a double immunofluorescence technique(More)
Thymomas are tumors characterized by a remarkable morphological heterogeneity and variable clinical behavior. This tumor has unique clinical associations, most notably with hematological abnormalities and myasthenia gravis. According with the Müller-Hermelink criteria, there are significant differences between the histological types of thymomas and the(More)
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