<p>Structurally similar to [[Lymph Nodes - Anatomy & Physiology|lymph nodes]], these are found in association with blood vessels rather than lymphatic vessels. There sinuses contain [[Erythrocytes - WikiBlood|erythrocytes]], the cortex contains germinal centers with [[Lymphocytes - WikiBlood#B cells|B cells]] and the medulla contains [[Lymphocytes - WikiBlood#T cells|T cells]].</p>
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<p>Structurally similar to [[Lymph Nodes - Anatomy & Physiology|lymph nodes]], these are found in association with blood vessels rather than lymphatic vessels. There sinuses contain [[Erythrocytes - WikiBlood|erythrocytes]], the cortex contains germinal centers with [[Lymphocytes#B cells|B cells]] and the medulla contains [[Lymphocytes#T cells|T cells]].</p>