Troisier's sign is an example of a hardened one of these structures, one of which is named for Virchow.
Troisier's sign is an example of a hardened one of these structures, one of which is named for Virchow. CCL21 is a cytokine most commonly expressed in them, and ones located between the pectoralis major and pectoralis minor muscles are named for Rotter. B lymphocytes are localized in follicles that make up its outer cortex, while T cells are distributed in the paracortical area. The adaptive immune response begins here, where antigen-presenting cells and antigens are delivered. For 10 points, name these organs that often enlarge when fighting infections.
Troisier's sign is an example of a hardened one of these structures, one of which is named for Virchow.
{lymph node}s