18. In this high power view of the cortical labyrinth, one may distinguish, albeit not optimally, proximal and distal convoluted tubules. Sections through the proximal convoluted tubules, characterized by large, eosinophilic cells, outnumber the profiles of distal convoluted tubules (smaller, paler-staining cells) roughly 7:1. Again notice that the distal tubules seem to contain more nuclei than a comparable section through a proximal tubule.

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