Table 1. Organ-specific exposure of germ cells/sperm to pathogens or components of pathogens as well as cells involved in inflammatory processes and their mediators.

	Function	Percentage of total ejaculate volume (%)	Biochemical markers in seminal plasma	pH of ejaculate fractions	Duration of germ cell/sperm exposure
Testis	Spermatogenesis	–	–	–	74 days
Epididymis	Sperm maturation	5	α-glucosidase(L-carnitine)	–	7–14 days
Seminal vesicles	Accessory secretion	50–80	Fructose	7.2–7.5	Seconds
Prostate	Accessory secretion	15–30	Zinc(PSA; citrate; acid ‧phosphatase)	6.4	Seconds

PSA, prostate-specific antigen