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AN ELECTRON MICROSCOPIC STUDY ON THE MORPHOLOGICAL CHANGES OF ENDOPLASMIC RETICULUM DURING SPERMIOGENESTS
Author(s): 
Pages: 387-390+456-457
Year: Issue:  4
Journal: Acta Anatomica Sinica

Keyword:  Endoplasmic reticulumSpermiogenesisUltrathin sectionFreeze-etchingElectron microscopyMouse and rat;
Abstract: Seminiferous tubules of mice and rats were fixed by glutaraldehyde and osmic acid; Ultrathin section and freeze-fracture replica were observed with transmission electron microscope. Endoplasmic reticulum of rat and mouse spermatid during spermiogenesis showed various changes in their number, shape and structure: in Golgi phase there are a few endoplasmic reticulum (ER); in cap phase ER increased and anastomosed to form a network; during acrosome phase ER reached its maximum development complexity, ER cisternae are continuous with annulate lamellae-radial body complex; ER collapsed and disappeared in mature phase. It seems that the morphological changes of endoplasmic reticulum are closely related with the transforming cell components during spermiogenesis.
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