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Human Spermatozoa Statistics
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Normal Human Reproductive Male (between 20 to 50 years)
Spermatozoa
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Number/Time
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Production
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produced / day (two testes)
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45 to 207 million
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compare adult human red blood cell / day
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250,000 million
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produced / second each day (approx)
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2,000
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Storage
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stored (epididymal reserves) up to per epididymis
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182 million
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stored extragonadal
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440 million
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extragonadal - ductuli deferentia and caudae epididymides per ejaculation
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225 million
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Transit Times
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through the caput
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0.72 day
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through the corpus
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0.71 days
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through the cauda epididymidis
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1.76 days
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Table Data [1] See also WHO human semen reference values(2010).[2] Links: spermatozoa
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- ↑ Amann RP & Howards SS. (1980). Daily spermatozoal production and epididymal spermatozoal reserves of the human male. J. Urol. , 124, 211-5. PMID: 6772801
- ↑ Cooper TG, Noonan E, von Eckardstein S, Auger J, Baker HW, Behre HM, Haugen TB, Kruger T, Wang C, Mbizvo MT & Vogelsong KM. (2010). World Health Organization reference values for human semen characteristics. Hum. Reprod. Update , 16, 231-45. PMID: 19934213 DOI.