![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Mitochondria
Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x
![Mitochondria <p>Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2017/05/C.S.Mito-3-1-ping.png)
Mitochondria
Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x
![Nuclei <p>Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2017/05/C.S.Mito-3-2-ping.png)
Nuclei
Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x
![Tubule lumens <p>Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2017/05/C.S.Mito-3-3-ping.png)
Tubule lumens
Mitochondria appear as dark irregular structures In this toluidine blue-stained section of the cells forming a kidney tubule. Mitochondria are mostly concentrated in rows at the bases of the cells where high energy is required. 1500x