The blood–testis barrier (BTB) is a specialized structure formed by tight junctions between Sertoli cells. This barrier protects developing germ cells from autoimmune reactions and regulates molecular exchange within the seminiferous epithelium.
Disruption of the BTB may expose sperm antigens to systemic immune recognition, potentially contributing to infertility. Andrology acknowledges immune regulation as an integral component of reproductive health. Evaluating inflammatory markers and autoimmune factors can provide additional diagnostic clarity in complex fertility cases.
Preservation of immune privilege within the testes is essential erotic for maintaining spermatogenic integrity.
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