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The nature and dynamics of spermatogonial stem cells

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Figure

Fig. 1. An overview of the spermatogenic process. (A) The principle celltypes involved in spermatogenesis are depicted together with the mostimportant developmental steps and events
Fig. 3. Sections through seminiferous tubules and views on the tubule basal lamina. (A) The image shows a section through mouse seminiferous tubules,
Fig. 4. The Asspermatogonial stem cells. Upon division, the A model for spermatogonial multiplication and stem cellrenewal
Fig. 6. The hierarchical Asand these cells exhibit a decreasing chance of self-renewal and an increasing chance of forming A‘ model

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