![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Cortex and medullla
Some organs are organized with an outer cortical region and more centrally located medullary region. In this image of a lymph node, the darker staining of the cortex and paler staining of the medulla reflect differences in their components and functions. 10x
![Cortex <p>Some organs are organized with an outer cortical region and more centrally located medullary region. In this image of a lymph node, the darker staining of the cortex and paler staining of the medulla reflect differences in their components and functions. 10x</p>](https://digitalhistology.org/wp-content/uploads/2018/03/Or.Concepts.CtxMed-2-1-ping.png)
Cortex
Some organs are organized with an outer cortical region and more centrally located medullary region. In this image of a lymph node, the darker staining of the cortex and paler staining of the medulla reflect differences in their components and functions. 10x
![Medulla <p>Some organs are organized with an outer cortical region and more centrally located medullary region. In this image of a lymph node, the darker staining of the cortex and paler staining of the medulla reflect differences in their components and functions. 10x</p>](https://digitalhistology.org/wp-content/uploads/2018/03/Or.Concepts.CtxMed-2-2-ping.png)
Medulla
Some organs are organized with an outer cortical region and more centrally located medullary region. In this image of a lymph node, the darker staining of the cortex and paler staining of the medulla reflect differences in their components and functions. 10x
![Image source > <p>This image was taken from a slide in the University of Michigan slide collection.</p>](https://digitalhistology.org/wp-content/uploads/2018/03/Michigan-source-ping-2.png)
Image source >
This image was taken from a slide in the University of Michigan slide collection.