Thymus

Details
Disease Category
Clinical History

Immunocompetence of T lymphocytes develops in the thymus gland. The immature lymphocytes are very densely populated in the outer part of the gland which is called the cortex. The mature cells move into the inner, lighter staining part of the gland called the medulla and leave the gland from there.

Labels in this Slide:
- Capsule
- Septum
- Lobule
- Cortex
- Thymocyte
- Epithelioreticular cell
- Medulla
- Hassall's Corpuscle

Image Contributors
Wiley, M.

Cite

Wiley, M. Thymus. Digital Laboratory Medicine Library, Dept of Laboratory Medicine & Pathobiology, University of Toronto. Published . Accessed December 17, 2025. https://dev.dlml.cflabs.ca/image/thymus-lmp51209-0