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 | Although the spleen is not essential for life, following splenectomy, a person may be more susceptible to potent pathogens and the effects of hemorrhage. | |
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| Let's not forget the thymus. The thymus is a bilobed gland located above the heart and its size decreases with age. | |
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| It is the site of T cell maturation and secretes the hormone thymosin, which stimulates maturation of T cells. | |
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| Thymosin promotes the differentiation and division of T cells, which makes them immunocompetent, that is, capable of recognizing and attacking foreign antigens. | |
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| Tune in next time when Jo and John Ray discuss the lymphatic vessels on their anniversary. No animals were harmed in the production of this comic except probably a very mischievous kiwi. |
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| No offense Jo and John Ray. | |
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| Yeah. Don't take it seriously. This is a comic after all. | |
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