Chapter 21 - Lymphatic and Immune Systems
Chapter 21 - Lymphatic and Immune Systems
Chapter 21 - Lymphatic and Immune Systems
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2. Thymus<br />
Location above heart, posterior to sternum<br />
Divided into lobules<br />
Only lymphoid organ that does NOT fight antigens, it<br />
functions as “T-cell academy”<br />
Involution after puberty<br />
Epithelial cells produce thymic hormones, thymosin <strong>and</strong><br />
thymopoetin
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