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Which of the following are considered primary lymphoid organs?
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20. The Lymphatic System
Primary Lymphoid Organs
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In the context of primary lymphoid organs, which hormone is produced by the thymus to support T-lymphocyte maturation?
A
Erythropoietin (EPO)
B
Melatonin
C
Thymosin
D
Cortisol
Guida verificata passo dopo passo1
Step 1: Understand the role of primary lymphoid organs. These organs are where lymphocytes mature. The thymus is a primary lymphoid organ responsible for the maturation of T-lymphocytes (T cells).
Step 2: Identify the hormone produced by the thymus that supports T-lymphocyte maturation. This hormone is crucial for the development and differentiation of T cells within the thymus.
Step 3: Review the options given: Erythropoietin (EPO) is involved in red blood cell production, Melatonin regulates circadian rhythms, and Cortisol is a stress hormone produced by the adrenal cortex.
Step 4: Recognize that Thymosin is the hormone produced by the thymus that specifically supports the maturation of T-lymphocytes, making it the correct choice.
Step 5: Summarize that Thymosin acts by promoting the differentiation and proliferation of immature T cells into functional, mature T cells capable of immune responses.
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