Medulla of canine thymus with thymic corpuscles

Organ: Thymus, Tissue: Medulla, Species: Dog. Comments: In the medulla of the thymus the cells are further apart and the epithelial reticular cells are more obvious. Thus the region stains lighter. Note the thymic (Hassall’s) corpuscle. PK2966-15. H&E Thymus medulla, Immune System, Dog.