Mantle zone

Mantle zone
Histology of a normal secondary lymphoid follicle, with yellow arrows pointing at the mantle zone.
Anatomical terminology

The mantle zone (or just mantle) of a lymphatic nodule (or lymphatic follicle) is an outer ring of small lymphocytes surrounding a germinal center.

It is also known as the "corona".

It contains transient lymphocytes.

It is the location of the lymphoma in mantle cell lymphoma.