Lymph node - histology slide

This is a histology slide of a lymph node. At low power, this shows a portion of the capsule, cortex and medulla. The cortex contains several lymph follicles with germinal centers (B lymphocytes). The medulla has both B and T lymphocytes.

Histology image descriptions and photography by Frank N. Miller, M.D.; histology image courtesy of Uniformed Services University of the Health Sciences.