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30 September, 11:48

Why is the blood-testis barrier important?

a. because some blood contents are toxic to the spermatozoa

b. because immature sperm cells lose their motility when they encounter any blood component

c. because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system

d. actually, the blood-testis barrier has no function?

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  1. 30 September, 15:47
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    The correct answer is C. Because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system.

    This is important because the organism will react defensively towards the foreign bodies and fight them instead of accept them, so this will make a big problem in the process of fertilization.
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