Template:Human Spermatozoa Statistics table: Difference between revisions
From Embryology
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! width=300px|Spermatozoa | ! width=300px|Spermatozoa | ||
! Number/Time | ! Number/Time | ||
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! Production | ! Production | ||
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| produced / second each day (approx) | | produced / second each day (approx) | ||
| 2,000 | | 2,000 | ||
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! Storage | |||
|- | |- | ||
| stored (epididymal reserves) up to per epididymis | | stored (epididymal reserves) up to per epididymis | ||
| 182 million | | 182 million | ||
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| spermatozoa / gram testicular parenchyma / day (all animals approx) | | spermatozoa / gram testicular parenchyma / day (all animals approx) | ||
| 23 million | | 23 million | ||
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! Transit Times | ! Transit Times | ||
|- | |- | ||
Revision as of 16:41, 2 Mayıs 2019
| Spermatozoa | Number/Time |
|---|---|
| Production | |
| produced / day (two testes) | 45 to 207 million |
| compare adult human red blood cell production / day | 250,000 million |
| produced / second each day (approx) | 2,000 |
| Storage | |
| stored (epididymal reserves) up to per epididymis | 182 million |
| stored extragonadal | 440 million |
| extragonadal - ductuli deferentia and caudae epididymides per ejaculation | 225 million |
| spermatozoa / gram testicular parenchyma / day (all animals approx) | 23 million |
| Transit Times | |
| through the caput | 0.72 day |
| through the corpus | 0.71 days |
| through the cauda epididymidis | 1.76 days |
| Table Data [1] See also World Health Organization reference values for human semen characteristics (2010).[2] | |
- ↑ 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.
