These are Red Blood Cells stacked as coins.
This condition is called Rouleaux.
https://ashpublications.org/blood/article/107/11/4205/21991/Rouleaux-formation
These are Red Blood Cells stacked as coins.
This condition is called Rouleaux.
https://ashpublications.org/blood/article/107/11/4205/21991/Rouleaux-formation