What is ectopic lymphoid tissue?

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Ectopic lymphoid tissue, also known as tertiary lymphoid tissue, is found as a result of infiltration of immune-system cells, such as lymphocytes, dendritic cells, macrophages, and follicular dendritic cells, into endocrine tissue. The cells then organize through a process known as lymphoid neogenesis to form structures that functionally resemble secondary lymphoid tissues, except that ectopic lymphoid tissue lacks a capsule and does not associate with the lymphatics.

Health & Biomechanics

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