Slide 10 Rete Testis (human)
Spermatids are moved from the seminiferous tubules on the left (blue arrow) to the straight tubules in the center (red arrow) which drain into the rete testis at top (black arrow). Notice how the epithelium changes from simple columnar in the straight tubules to simple cuboidal in the rete testis.

Bar=100 microns

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