Fig. 3A: Structure of a Lymph Nodes

Antigens enter lymph nodes through afferent lymphoid vessels. Antigen-presenting dendritic cells, B-lymphocytes, and T-lymphocytes enter through high endothelial venules. Non-activated and effector lymphocytes leave the lymph node through efferent lymphatic vessels. Naive B-lymphocytes become activated, proliferate, and differentiate into plasma cells in the germinal centers of lymphoid follicles while naive T-lymphocytes become activated, proliferate and differentiate into T-effector lymphocytes in the T-cell area.

Doc Kaiser's Microbiology Home Page
Copyright © Gary E. Kaiser
All Rights Reserved
Updated: June, 2012
Please send comments and inquiries to Dr. Gary Kaiser