Morphometry of rat germ cells during spermatogenesis

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Abstract
Background: There has never been a study of the components of germ cells as they progress through spermatogenesis. Method:The structural changes taking place in rat germ cells, from spermatogonia to late supermatids, were studied utilizing morphometric techniues conducted largely at the ultrastructural level. Results:Volume and surface area parameters for virtually all cellular and subcellular features were obtained for nine periods during the spermatogenic cycle. Virtually of germ cell components show dynamic properties associated with specific phases of their development. Conclusions: The data provided can be used in an objective wey to characterize structural changes to funcational properties of germ cells.