![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Collecting duct
Epithelial cells composing collecting ducts have a homogeneous cytoplasm, lack a brush border, and display conspicuous lateral cell boundaries. Their nuclei are regularly spaced around the lumen, usually located close to the basal surface of the cell. 800x
![Collecting duct <p>Epithelial cells composing collecting ducts have a homogeneous cytoplasm, lack a brush border, and display conspicuous lateral cell boundaries. Their nuclei are regularly spaced around the lumen, usually located close to the basal surface of the cell. 800x</p>](https://digitalhistology.org/wp-content/uploads/2018/02/Or.Ur_.Tub-12-1-ping.png)
Collecting duct
Epithelial cells composing collecting ducts have a homogeneous cytoplasm, lack a brush border, and display conspicuous lateral cell boundaries. Their nuclei are regularly spaced around the lumen, usually located close to the basal surface of the cell. 800x
![Ascending thick limbs <p>Epithelial cells composing collecting ducts have a homogeneous cytoplasm, lack a brush border, and display conspicuous lateral cell boundaries. Their nuclei are regularly spaced around the lumen, usually located close to the basal surface of the cell. 800x</p>](https://digitalhistology.org/wp-content/uploads/2018/02/Or.Ur_.Tub-12-2-ping.png)
Ascending thick limbs
Epithelial cells composing collecting ducts have a homogeneous cytoplasm, lack a brush border, and display conspicuous lateral cell boundaries. Their nuclei are regularly spaced around the lumen, usually located close to the basal surface of the cell. 800x